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Proper Pruning in Late Winter

Proper pruning in late winter leads to strong, lush trees and shrubs in the springtime

Pruning cuts are made slightly beyond the branch collar.

Pruning cuts are made slightly beyond the branch collar. COURTESY OF JOHNSON COUNTY K-STATE RESEARCH & EXTENSION

BY DENNIS PATTON for Kansas City Star (MO), FEBRUARY 12, 2020 03:42 PM

Does pruning strike more fear in your heart than a trip to the doctor? Pruning sounds complicated, but once you understand the basic guidelines, the rest falls into place.

PROPER PRUNING IN LATE WINTER – KNOW WHERE TO MAKE THE CUT

Most people hesitate knowing where to make the cut. Discerning “where” does not mean which specific limb needs to be removed. It means where precisely on the branch the cut is to be made.

Every pruning cut should be made at the point where there is another branch, fork, crotch angle or new bud forming. Making the cut at a growth point reduces the chance of decay and uncontrolled growth. Directing new growth is the goal of pruning, not merely pruning to remove growth.

Pruning to this juncture removes tall overgrown limbs, reduces plant height and thins out the plant. When extreme weather impacts our neighborhoods, pruning will reduce the weight of snow, ice and wind, which can lead to branch failure.

The energy that once supported the removed limb is now channeled into the growth of the remaining limbs. It is important to understand the concept of directional pruning.

The direction of the remaining limb or bud will point to where the growth will head. Attempting to control height? Prune to a side-pointing limb. Need to reduce spread? Prune to an upward pointing limb. Tired of the low-hanging limb hitting you in the face? Find a branch growing upward. See how this works?

Removing a limb back to another branch thins out a tree or shrub for better light penetration and less wind resistance. Not only does this apply to shade trees, but flowering and fruit trees as well. More sunlight penetrating the plant will lead to more flowering and fruit development.

HOW TO MAKE THE CUT

Now that you are confident in knowing where to make the cut, the next step is to do it properly. Pruning is an injury to the plant or tree, wounding the wood. The goal is to quickly heal the wound with a correctly made cut.

Pruning cuts are made slightly beyond the branch collar, where a layer of cambium growth has the ability of rapidly sealing off the cut. The branch collar is the raised, rough growth of bark tissue at the crotch angle. Remember, the cut is always made back to a branch angle.

Try to avoid cutting to the outside of the branch collar as it will leave a slight bump. We want to steer clear of creating a stub, a longer piece of wood sticking out. Stubs do not heal and lead to decay or uncontrolled growth. Cutting too close results in a flush cut, which removes the bark collar, leaving a bigger wound. A larger wound is slower to seal and increases the chance of decay.

Tree pruning is done in late winter before new growth. The lack of foliage reveals problem areas, making it easier to know which limbs to remove. Spring is a time of rapid growth for quick recovery. Now go forth and prune. I have confidence in your abilities.

Dennis Patton is a horticulture agent with Kansas State University Research and Extension. Got a question for him or other university extension experts? Email them to [email protected].

https://www.kansascity.com/living/liv-columns-blogs/kc-gardens/article240239351.html

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Anatomy of a Tree

Leaves

Leaves carry out photosynthesis, making food for the tree and releasing oxygen into the air. And this tells us much about their shapes. For example, the narrow needles of a Douglas fir can expose as much as three acres of chlorophyll surface to the sun.

The lobes, leaflets, and jagged edges of many broad leaves have their uses, too. They help evaporate the water used in food-building, reduce wind resistance and even provide “drip tips” to shed rain that, left standing, could decay the leaf.

Branches and Twigs

Branches and twigs grow out of the tree trunk and serve as support structures for leaves, flowers, and fruit. Branches are the main “limbs” of the tree, whereas the twigs are smaller and come off of the branches. They also transport materials between the trunk and the leaves.

Trunk

The trunk of a tree is made up of five different layers.

Anatomy of a Tree
  1. The outer bark is the tree’s protection from the outside world. Continually renewed from within, it helps keep out moisture in the rain and prevents the tree from losing moisture when the air is dry. It insulates against cold and heat and wards off insect enemies.
  2. The inner bark, or “phloem,” is the pipeline through which food is passed to the rest of the tree. It lives for only a short time then dies and turns to cork to become part of the protective outer bark.
  3. The cambium cell layer is the growing part of the trunk. It annually produces new bark and new wood in response to hormones that pass down through the phloem with food from the leaves. These hormones, called “auxins,” stimulate growth in cells. Auxins are produced by leaf buds at the ends of branches as soon as they start growing in the spring.
  4. Sapwood is the tree’s pipeline for water moving up to the leaves. Sapwood is new wood. As newer rings of sapwood are laid down, inner cells lose their vitality and turn to heartwood.
  5. Heartwood is the central, supporting pillar of the tree. Although dead, it will not decay or lose strength while the outer layers are intact. A composite of hollow, needlelike cellulose fibers bound together by a chemical glue called lignin, it is in many ways as strong as steel. Set vertically, a 1″ x 2″ cross-section that is 12″ long can support twenty tons!

Roots

roots

Contrary to popular belief, tree roots are typically found in the top three feet of the soil. As well, they expand well beyond the dripline, often occupying an area two to four times the size of the tree crown.

A tree’s root system works to absorb water and minerals from the soil, anchor the tree to the ground, and store food reserves for the winter. It is made up of two kinds of roots: large perennial roots and smaller, short-lived feeder roots.

Want to read more of our articles? Click here to read about the benefits of trees!

“Anatomy of a Tree.” Advanced Search-The Tree Guide at Arborday.org, The Arbor Day Foundation, www.arborday.org/trees/TreeGuide/anatomy.cfm.

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Jumping Oak Gall

Jumping Oak Gall FOREST HEALTH ALERT From the Missouri Department of Conservation

Tree species affected: White oak (Quercus alba) primarily, and some other white oak group species.

Concerns: Leaves on entire crowns of white oak trees turning brown in late spring. In some areas, whole hillsides appear brown.

Description: High populations of a very tiny, native, stingless wasp (Neuroterus sp.) cause pinhead-size galls (abnormal plant growths) to form on the undersides of leaves. Each round, button -like gall contains one wasp larva. Starting at the margins, brown, scorch-like areas appear on leaves where many galls are present. In more severe cases, leaves curl up, turn black, and drop early from trees. Effects of the damage become noticeable in late spring or early summer and remain visible until fall.

Most galls drop from leaves in early summer. Brown pockmarks remain where galls had been attached. Fallen galls are sometimes observed to “jump” due to vigorous movements of larvae within, much like moth larvae of “Mexican jumping beans.” This behavior allows galls to fall deeper into grass and leaf litter where they are sheltered throughout the coming winter.

Many species of gall wasps have two generations per year. It is assumed that the jumping oak gall wasp in Missouri has a similar life history with one generation lasting only a few weeks in early spring and rarely being noticed. The second generation extends from spring through the following winter and causes most of the leaf damage. Outbreaks typically last for one or two years and then fade away as natural controls reduce gall wasp numbers again.

Similar Leaf Issues: In years with cool wet springs, fungal diseases can be abundant on trees and may also cause leaf browning. Anthracnose is common on white oak foliage in those conditions. Botryosphaeria twig canker causes leaves on infected small branches to wilt and turn brown, which results in “flagging” in the canopy during the summer. Typically, twig bark shrivels and turns brown where the canker occurs, near the junction with healthy tissue.

Recommendations: Galls and fungi that affect oak leaves rarely have a significant impact on tree health. Nearly all trees will recover, even if all leaves are brown. Controls are not warranted. By the time the damage is observed, any opportunity to treat has already passed for that year, and populations are likely to decline naturally. However, severe leaf damage stresses trees, particularly if most leaves on a tree are killed which results in a second flush of leaves emerging in summer. The best tactic is using good tree care practices that reduce stress (mulching, watering during drought, avoiding wounds due to lawnmowers and trimmers).

Questions? Contact your local forester with the Missouri Department of Conservation. Find contact information for your county and more at mdc.mo.gov.

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Treating Ash Trees To Prevent Emerald Ash Borer

Emerald ash borer (EAB), Agrilus planipennis Fairmaire, is an exotic beetle from Asia that was discovered (in North America) in the summer of 2002. The adult beetles nibble on ash foliage, causing little damage. However, the larvae feed on the inner bark of ash trees, disrupting the tree’s ability to transport water and nutrients, eventually killing the tree.

The emerald ash borer most likely arrived in the United States on solid wood packing material carried in cargo ships or airplanes arriving from Asia, and has most likely spread by hitchhiking on firewood transported among homes and recreation areas in at least 34 states.

emerald ash borer

In addition to Missouri, the emerald ash borer has been found in Alabama, Arkansas, Colorado, Connecticut, Delaware, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Nebraska, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Vermont, Virginia, West Virginia, Wisconsin, as well as, the provinces of Manitoba, Ontario and Quebec in Canada.

Since its discovery in the US, the emerald ash borer has:

  • Killed hundreds of millions of ash trees in at least 34 states.
  • Caused regulatory agencies to enforce quarantines and fines to prevent potentially infested ash trees, logs or firewood from moving out of areas where EAB occurs.
  • Cost municipalities, property owners, nursery operators and forest products industries millions of dollars.

Emerald Ash Borer. (n.d.). Retrieved May 22, 2019, from https://agriculture.mo.gov/plants/pests/emeraldash.php


Emerald Ash Borer. (n.d.). Retrieved May 22, 2019, from https://agriculture.mo.gov/plants/pests/emeraldash.php

What if you have an ash tree?

Take action before removal is your only option! If you have an ash tree, you have the choice to protect or remove your tree(s). We recommend that residents consider protecting large, well-placed, healthy private ash trees as part of an EAB treatment program.

Considerations for Treatment:

  • Tree size greater than 10” in diameter.
  • The Tree is not competing with other trees or infrastructure.
  • The Ash tree shows no more than 30% of canopy decline if an infestation is suspected.

Managing Ash Trees. (n.d.). Retrieved May 22, 2019, from https://www.rainbowtreecare.com/emerald-ash-borer/managing-ash-trees/

To better address situations such as these, All About Trees has created a Plant Health Care (PHC) & Integrated Pest Management Program.

Objectives of All About Trees Plant Health Care & Integrated Pest Management Program:

  • All About Trees is focused on appropriate care for trees and shrubs, using safe, effective, and well-timed visits and applications.
  • We only administer treatments as deemed necessary, and never try to just “make a sale” of pesticide applications. 
  • All About Trees uses the safest methods for application, using as much systemic products as possible, and never doing tree sprays over 25’ high to limit drift possibility.
  • Our Plant Health Care Arborists will diagnose insect and disease problems, as well as soil, moisture, and fertility issues.  We also recommend how and when a plant health issue warrants treatment.

Please give us a call if you’d like to be added to our calendar for a yearly maintenance check of your trees!

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Fun Facts About Trees

  • Dendrochronology is the dating and study of annual rings in trees.
  • General Sherman, a giant sequoia, is the largest tree (by volume) in the world, standing 275 feet (83.8m) tall with 52,000 cubic feet of wood (1,486.6m).
  • Leaves appear green because chlorophyll absorbs red and blue light energy, causing the green energy to bounce off the leaf’s surface.
  • Trees provide food and shelter for wildlife.
  • In one day, one large tree can lift up to 100 gallons of water out of the ground and discharge it into the air. Learn more tree facts.
  • Methuselah, an estimated 4,765-year-old ancient Bristlecone Pine, is one of the oldest living trees in the world.
  • Tree shaded surfaces can be 20–45°F (11–25°C) cooler than surfaces in direct sun, helping homeowners reduce summer cooling costs. Find out more about trees and the environment.
  • Consumers have a 12% higher willingness to pay for goods and services in retail areas that have streetscape greening such as street trees and sidewalk gardens. More on the benefits of urban greening.
  • Trees reduce stormwater runoff by capturing and storing rainfall in the canopy and releasing water into the atmosphere through evapotranspiration.

“Fun Facts About Trees.” TreesAreGood.org, International Society of Arboriculture, 2018, www.treesaregood.org/funfacts/funfacts.

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Benefits of Trees

Benefits of Trees

Have you ever imagined what the world would be like without trees? The benefits of trees extend beyond their beauty. Trees planted today will offer social, environmental, and economic benefits for years to come.

Learn more about the benefits of trees.

Social Benefits

The social benefits of trees go beyond enjoying their beauty. Humans feel a calming effect from being near trees. The serenity we feel can significantly reduce stress and fatigue, and even decrease recovery time from surgery and illness.

Communal Benefits

With proper selection and maintenance, even trees can provide benefits to the community. Trees provide privacy, accentuate views, reduce noise and glare, and even enhance architecture. Natural elements and wildlife are brought to the urban environment which increases the quality of life for residents within the community. As well, fruit trees in public green spaces can have the added benefit of providing fresh fruit to the community.

Environmental Benefits

Trees alter the environment we live in by moderating climate, improving air quality, reducing stormwater runoff, and harboring wildlife.

Examples of the environmental benefits of trees:

  • Trees help moderate temperatures by creating a cooling effect which can counteract the heating effect of pavement and buildings in an urban environment.
  • Compact tree foliage can serve as a windbreak, as well as provide protection from rainfall.
  • Leaves filter the air we breathe by removing dust and other particulates and releasing oxygen.
  • Trees provide shelter for small animals, such as squirrels and birds.

Economic Benefits

The economic benefits of trees are both direct and indirect. Property values of landscaped homes are 5 to 20 percent higher than those of non-landscaped homes based on the species, size, condition, and location of the trees included in the landscape. Trees also provide shade which can lower cooling costs for your home and reduce heating costs in the winter by acting as a windbreak.

An arborist can help you determine the value of trees by providing an appraisal. Documentation on the value of trees in your landscape can assist with determining the property value, as well as help with insurance claims in the event of a loss.

Learn more about the value of trees

Maximizing the Benefits of Trees

Trees provide numerous benefits but in order to maximize a tree’s benefits routine maintenance is required. Though these benefits begin the moment a tree is planted, they are minimal compared to the benefits of a mature tree. The costs associated with removing a large tree and planting a young tree can outweigh the costs of regular tree maintenance practices such as tree inspection, pruning, and mulching.

Learn more about mature tree care

 

International Society of Arboriculture

www.isa-arbor.com • p. +1 217.355.9411 • [email protected]

©International Society of Arboriculture 2009-2018
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Works Cited: 
“Benefits of Trees.” Trees Are Good, International Society of Arboriculture, 11 Jan. 2018, 11:45, www.treesaregood.org/treeowner/benefitsoftrees.

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The Tree Care Industry Association (TCIA) – Board of Directors

The Tree Care Industry Association (TCIA) – Board of Directors

There are almost 200,000 people working in the tree care industry in the United States. Hi, this is Noel from All About Trees. Like most other trades, we have our own industry associations. The Tree Care Industry Association has almost 2,500 member companies, and it helps tree care companies meet current standards for safety and quality. I’m proud to announce that I’m the newest member of the board of directors for the association. I am by far the smallest company represented on the board, but I was chosen because of All About Trees reputation nationally, for our quality and company culture. It’s an honor to serve on this board and a chance for me to help other small companies, nationwide, with their dreams of growing their business and keeping their employees safe and happy.

All About Trees is a small business in Springfield Missouri, making waves on a national scale. If you need tree work, I hope you’ll give us a chance to show you how we are different. Look us up at www.allabouttrees.com.

All About Trees is caring for Springfield Urban Forest one tree at a time.

 

 

 

To view a list of our Certified Arborists, click here!

Please call the office of All About Trees at (417) 863-6214 or fill out a contact request form to schedule an appointment for an estimate.

Phone: (417) 863-6214
Address: 3427 W. Farm Road 146, Springfield, MO 65807

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7 Places to See Fall Colors in Springfield and the Ozarks

7 places to see fall colors in Springfield and the Ozarks

http://www.news-leader.com/story/entertainment/2017/09/27/7-places-see-fall-colors-springfield-and-ozarks/701450001/

JAMES RIVER

(Photo: News-Leader file photo)

Gregory J. Holman and Wes Johnson, News-Leader Published 6:00 a.m. CT Sept. 27, 2017

It’s leaf-peeping season in the Ozarks. As summer temperatures slide into fall’s chilly breezes, leaves transform from bright green to a range of fall colors: golds, reds, oranges and purples. And some brown. Why brown? Drought is a part of this year’s fall-foliage season. The National Weather Service announced Sept. 14 that much of the Ozarks and the eastern half of the state is undergoing light drought conditions. Drought is already making yellow and brown leaves appear on trees in the Show-Me State right now, a forestry specialist told the Columbia Missourian Tuesday. “The reason we are seeing some yellows now is due to the lack of rainfall these past few weeks,” Hank Stelzer, a forestry extension specialist at Mizzou’s College of Agriculture, told the paper. Typically, mid-October is peak fall color season in Missouri, though predicting exactly when those autumn hues will come to life is “difficult,” according to a Missouri Department of Conservation website. Search “fall color” at nature.mdc.mo.gov for more details, along with a weekly updated guide to how the leaves are doing in each of Missouri’s regions. The latest on southwest Missouri is that leaves are “beginning to turn.”

Despite the drought, the classic reds, oranges and purples are on their way, Missouri Department of Conservation officials said in a separate news release. To appear, those colors just need cool — not freezing — autumn nights. Cool air helps trap natural sugars inside the leaves, forming “building blocks” for the full range of fall colors. Meanwhile, cool air breaks down the leaves’ green pigments. Where to find showy, beautiful trees this year? It’s not hard, but here are 7 tips on where to experience fall in all its glory in Springfield and the Ozarks.

 

  1. Urban leaves: Maple Park Cemetery

Topping the list and so easy to see is Maple Park Cemetery in the heart of Springfield, on Grand Street between Campbell and Jefferson avenues. The cemetery is filled with maple trees, which arguably produce the most vivid colors of any tree in the Ozarks. Maple leaves always contain bright red pigments once the green chlorophyll fades away.

Fun fact: Maple Park Cemetery is accessible by a City Utilities bus. Take the red line.

Fall color at the Springfield Conservation Nature CenterBuy Photo

Fall color at the Springfield Conservation Nature Center Tuesday, October 27, 2009. (Photo: News-Leader file photo)

  1. Riverside leaves: the James River

Hiking trails and paddling trips on the James River offer great ways to get outdoors and experience the fall colors.

Walking trails at the Springfield Conservation Nature Center take wanderers down to the river’s edge. Sycamores, oaks and ash trees will soon turn from green to yellow, orange and gold.

Splash your canoe or kayak at Lake Springfield and follow the James River Water Trail five miles upstream to enjoy trees changing color along the shoreline.

In fact, MDC recommends routes along any river with views of forested bluffs and on float trips under a colorful forest canopy.

The cold, blue waters of Ha Ha Tonka Spring emerge

The cold, blue waters of Ha Ha Tonka Spring emerge from a towering rock bluff. (Photo: File photo)

  1. Laughing water leaves: Ha Ha Tonka State Park

Another beautiful fall hike among the trees, the trails at the 3,751-acre Ha Ha Tonka State Park, an hour and 20 minutes northeast of Springfield, are a great place to see the changing trees and towering karst cliffs up close.

The park and its historic stone castle ruins was voted fourth best state park in the nation by readers of USA TODAY.  Not to be missed: The deep blue Ha Ha Tonka spring that pours 58 million gallons of water a day into a forest stream from the base of a massive vertical stone wall.

A small waterfall trickles into a crystal clear poolBuy Photo

A small waterfall trickles into a crystal clear pool at Cedar Gap Conservation Area. (Photo: Wes Johnson/News-Leader)

  1. Hiking leaves: Cedar Gap Conservation Area

If you’re up for a vigorous walk, Cedar Gap Conservation Area in Wright County is just 30 minutes east of Springfield, south of U.S. 60 highway.

The moderately strenuous hiking trail takes visitors downhill through oaks, pines and dogwood trees to a gurgling clear creek that forms the headwaters of Bryant Creek. The first half is all downhill and takes hikers to a small log cabin that once was a fishing and hunting getaway for the previous landowner.

Visitors are surrounded by tall, steep hills, and one of them is the second-highest prominence in Missouri. Be ready for a workout going back uphill, and wear sturdy boots.

An abundance of tree species will be changing color

 

  1. Kid-friendly leaves: Nathanael Greene/Close Memorial Park

For a much less grueling (and more kid-friendly) fall outing, take a stroll at Nathanael Greene/Close Memorial Park on Springfield’s west side. The walkways are paved! The tops of the park’s trees will soon begin changing color, especially around Lake Drummond.

The geese will want a snack, but visitors are encouraged not to feed them. And for a huge variety of color, walk a short distance to the Springfield-Greene County Botanical Center and the Mizumoto Japanese Stroll Garden, which features hundreds of species of trees and plants. All areas are free.

Henning Conservation Area offers more than five milesBuy Photo

Henning Conservation Area offers more than five miles of scenic hiking trails on the northwest edge of Branson. (Photo: Wes Johnson/News-Leader)

  1. Taney County leaves: Branson tours

The Branson/Lakes Area Convention and Visitors Bureau suggests four fall color routes you can drive. They’ll take one hour up to four hours, and leaf-peepers can see Table Rock Lake, Kimberling City, downtown Branson, Forsyth, Rockaway Beach, Bull Shoals Lake, Peel Ferry and Mark Twain National Forest, depending on the route you choose. Oh, and there’s a tour for walkers and joggers through Branson Landing and downtown. Find all the details, including handy maps, at explorebranson.com/fall/driving-tours.

Meanwhile, don’t forget the Henning Conservation Area, located on Highway 76 near Shepherd of the Hills Expressway. It contains five miles of scenic trails.

Leaves of a sweet gum tree glow red and orange Friday,

Leaves of a sweet gum tree glow red and orange Friday, Nov. 4, 2005, at Pinnacle State Park near Little Rock, Ark. (Photo: DANNY JOHNSTON, ASSOCIATED PRESS)

  1. Arkansas leaves: Tour the Natural State

If you really want to road-trip it, head south of the state line. Arkansas Parks and Tourism has a guide to scenic drives throughout the state and beyond. Explore the Boston Mountains Scenic Loop — from Fayetteville to Alma, it’s studded with state parks, historic sites and trails. Or consider the Scenic 7 Byway, from Harrison to Jessieville. Visit arkansas.com and search “fall foliage.” Like MDC, Arkansas Parks & Tourism offers a leaf guide that’s updated weekly.

 

How our weather pattern in mid-Missouri could affect fall foliage

http://www.abc17news.com/weather/how-our-weather-pattern-in-mid-missouri-could-affect-the-fall-foliage/627654605

Brigit Mahoney KQFX (MO), Sep 28, 2017 04:41 PM CDT

Heading into fall, many look forward to the changing weather pattern, as well as the changing landscape. Beautiful, vibrant colors are an annual event as the leaves begin to change. However, many factors determine the look of fall foliage. Weather is one factor. In mid-Missouri, fall foliage typically is at its peak towards late October. The weather pattern we see leading up to this point can have a huge impact on how vibrant the colors are. Also, the weather pattern we see during the early fall season can impact foliage as well.

After spring, once the leaves are fully developed, trees start to store nutrients that helps the green leaves transition into fall colors. This is why sufficient rainfall during the summer months is crucial for optimal fall foliage.

This summer in mid-Missouri, we saw below average rainfall. For the months of June, July, and August, average rainfall in Columbia accumulates to 13.23″. Summer 2017 only brought in 11.21″, which is a little over 2″ below average. This isn’t a drastic drop in precipitation, but could be accounted for when considering fall foliage.

As we look closer to fall, the month of September has been dry as well. Average rainfall in Columbia for September sits at 3.92″, but this month has only brought in 1.92″ of rain. That’s a deficit of 1.57″. When considering all four months leading up to October, we fall nearly 4″ short of average. This could impact the typical orange, red, and purple colors we see during peak fall foliage, instead giving us duller brown and orange tones.

During the early fall, the weather continues to impact the foliage. Cool nights and sunny days help bring out the pigments in the leaves. For the next few days, mid-Missouri will have cool nights as lows drop into the 40s and 50s with sunny days. However, this pattern won’t last long.

The Climate Prediction Center’s Temperature Outlook indicates a warm up that’s in store for all of mid-Mo. It also predicts above average tempurates from October 3-9. By Monday, temperatures will be back into the mid 80s during the day, with lows only bottoming out in the 60s. This could have a negative impact on our fall foliage.

One last thing to note during the early fall season is rainfall. Surprisingly, it is better to have dry conditions as we head into the month October. This ensures that the leaves won’t fall prematurely before the colors develop. There is some good news here! The Climate Prediction Center’s Precipitation Outlook keeps most of mid-Missouri in below average rainfall from October 3-9. This could help those beautiful fall colors we all wish to see!

During peak foliage, it’s important that we see light winds and no frost to ensure a longer period with the beautiful, vibrant landscape!

Keep an eye out for the changing landscape here in mid-Missouri as we head towards late October. Send any photos to the ABC 17 Stormtrack Weather Team.

 

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Black Walnut Trees

BLACK WALNUT
Juglans nigra

Family: 

Juglandaceae (walnuts)

Description: 

A large tree with a straight trunk and rounded, open crown. The nuts, spicy odor, large feather-compound leaves, and chambered pith in the twigs help identify it.

Leaves alternate, compound, 1–2 feet long, with 11–23 leaflets. Leaflets 3–5 inches long, 1–2 inches wide, broadest below the middle, the end leaflet smaller than side ones or absent; margin toothed; upper surface yellow-green; lower surface paler, hairy.

Bark grayish-brown or black, grooves deep, ridges broad with sharp or rounded edges, roughly forming diamond-shaped patterns, chocolate-colored when cut.

Twigs stout, rigid, brown to gray-brown, hairy; end bud about ½ inch long; pith light brown, chambered when cut lengthwise.

Flowers April–May. Male flowers in catkins, female flowers in a short spike on the same tree.

Fruits September–October, usually single or in pairs. A green rounded husk, 1½–2½ inches across, covers the round, hard, bony, dark brown or black nut. The kernel is oily, sweet, and edible.

Similar species: Butternut, or white walnut (Juglans cinerea), is scattered and declining in the eastern two-thirds of Missouri, mostly in low and moist soils. It has rather cylindrical fruits, and the nut inside has 4 lengthwise ribs; leaf scars have the upper edge straight (not notched), bordered by a well-defined velvety ridge. The mild-tasting English (or Persian) walnut is the species J. regia. It is native to Eurasia and when cultivated in Missouri does not escape. The state of California grows nearly all of the US commercial supply of English walnuts. Walnuts are in the same family as hickories and pecans.

Key Identifiers: 

 

  • Leaves long, alternate, feather-compound
  • Leaflets 11–23, toothed
  • Fruits distinctive
  • Bark grayish, deeply grooved with rather diamond-shaped patterns, ridges broad
  • Twigs stout, with chambered pith
  • Distinctive spicy odor
Size: 

Height: to 90 feet.

Missouri is the world’s top producer of black walnuts, which are used in baking and confections, and even pickled whole! It would be eaten by more people it getting the nutmeats out of the nut was easier. Walnut is the finest wood in the world. In the past, warm brown hardwood was used lavishly in homes, barns, and fences. Today it’s used for furniture, veneer, and gunstocks.

The nuts are eaten by mice and squirrels. The leaves are eaten by larvae of luna moths, regal moths, and others. The presence of such caterpillars naturally attracts warblers and other insectivorous birds. Walnut trees produce a chemical, juglone, that stunts or kills other plants growing nearby.

Black walnut has been designated as Missouri’s official state tree nut. Most of the state’s large, old walnut trees were felled in previous decades for lumber and other uses, yet the superb wood from this species remains in high demand. Young landowners have been planting walnuts in hopes of harvesting them in future decades. Several serious pests may endanger the health of Missouri’s walnuts; educate yourself about thousand cankers disease (TCD), ambrosia beetles, walnut anthracnose, and other diseases, and never, ever transport firewood.

HABITAT AND CONSERVATION

Black walnut grows throughout Missouri in a variety of soils. It grows best on the deep, well-drained soils of north Missouri and on alluvial (river-deposited) soils in the south. Every farm in the state should grow some walnut trees. In addition to providing quality wood, the walnut’s nutmeats are a major industry in the state. Even the hard shells can be used as an abrasive and to make activated carbon.

It is a common misconception that tree services will pay the customer for removal of black walnut trees, due to their high-quality wood. However, this is not true. We at All About Trees will not pay to remove your black walnut tree.

Black Walnut. (n.d.). Retrieved October 10, 2017, from https://nature.mdc.mo.gov/discover-nature/field-guide/black-walnut

Springfield, MO Tree Alert- Our Certified Arborists

To view a list of our Certified Arborists, click here!

Please call the office of All About Trees at (417) 863-6214 or fill out a contact request form to schedule an appointment for an estimate.

Phone: (417) 863-6214
Address: 3427 W. Farm Road 146, Springfield, MO 65807

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Watch Out for Japanese Beetles!

Springfield, MO Tree Alert – Japanese Beetles

Tree species affected: Japanese beetles are known to feed on over 300 plant species. Linden (basswood), elm, crabapple, sycamore (planetree), sassafras, plum, cherry, and bald cypress are commonly damaged, as well as grape and rose.

Concerns: Lacy, skeletonized leaves. Partial or entire defoliation.

Description: Japanese beetles feed on the upper surface of leaves, leaving behind veins. Damage is frequently seen near the top of the tree or plant first. These beetles often feed in groups.

Insecticides are not compatible with trying to maintain a pollinator-friendly yard and should never be used on flowering plants or trees that will attract bees and other pollinators.

Frequently Asked Questions

What is the lifecycle of the Japanese beetle?

Japanese beetles spend most of their one-year lifecycle under-ground as a white, c-shaped grub. These grubs feed on grass roots and can damage turf if populations are high. Grubs pupate in late spring and emerge from the ground as adult beetles around mid-June in Missouri. These beetles congregate on host plants, particularly those in full sun. Japanese beetles congregate through a combination of pheromones released by females and floral scents emitted by the damaged host. After mating, each female beetle lays 40-60 eggs in the soil over the course of her 30-45 day lifespan. These eggs hatch into grubs in July and August. Most adult Japanese beetles are gone for the year by mid-August.

Will Japanese beetles kill my trees?

Healthy, established trees can typically tolerate a heavy amount of feeding damage. However, this damage is a source of stress for trees. You can help your trees by watering them 2-3 times per month during dry times to avoid additional stress from drought. A good rule of thumb is ten gallons of water per inch of a tree’s diameter.

Should I use a Japanese beetle trap?

Be cautious when using Japanese beetle traps as they are very effective at bringing beetles in from areas well outside of your yard. Traps don’t catch all the beetles they attract, so nearby plants may be heavily damaged. If you decide to use a trap, place it at least 100 feet away from the plants you want to protect. Dispose of trapped beetles frequently by dropping them into a bucket of soapy water.

If I control the Japanese beetle grubs in my lawn, will I have fewer beetles next year?

Controlling Japanese beetle grubs in your lawn won’t significantly reduce the number of beetles you see next year. Japanese beetles are strong fliers and can continue to fly in from neighboring areas over a mile away. Grub control may have more of an impact if you live in a forested area where turf grass is uncommon.

How can I control Japanese beetles?

For light infestations on shrubs and young trees, handpicking is an effective method of control. Beetles are typically sluggish and easy to capture early in the morning. Shake stems and branches with Japanese beetles over a bucket of soapy water.

Several contact insecticides are available for control of Japanese beetle adults (e.g. acephate, carbaryl, cyfluthrin, permethrin); check the label to confirm Japanese beetles and your plant species are listed. These chemicals may need to be reapplied at labeled intervals, especially in hot or rainy weather. Organic products containing azadiractin and spinosad are effective deterrents for a few days. Neem oil may be useful in deterring beetles from feeding if used at the first sign of damage.

Systemic insecticides, such as those containing imidacloprid, can be applied as a soil drench to protect some types of trees from Japanese beetles (follow all label restrictions). However, this product would need to be applied in early June in order to be effective since it can take 4-6 weeks for a tree to translocate the chemical from the soil to the leaves.

Due to impacts on pollinators, systemic insecticides should not be applied before or during the bloom period on any plant. In addition, use of many IMIDACLOPRID products (e.g. Bayer Advanced Tree & Shrub Insect Control) is NOT ALLOWED on LINDEN (BASSWOOD), a common host tree of Japanese beetles. Product labels contain new restrictions due to frequent misuse and impacts on pollinators.

Are there any biological controls for Japanese beetles?

No biological controls are currently available for managing adult Japanese beetles. Two products are available for biological control of Japanese beetle grubs in the soil. Neither product is 100% effective.

  • Milky spore (milky disease bacteria) is a long-term control technique that can help reduce grub populations in 2-3 years. Introduce milky spore into several spots in your yard in a grid pattern. Once in the soil, the spores will be present for many years. Milky spore requires specific temperature and moisture conditions to infect grubs, so effectiveness varies.
  • Nematodes of the Heterorhabditis strains will attack grubs. Because soil moisture is critical for nematode survival, it can be difficult to maintain proper conditions for nematodes and avoid overwatering plants. Nematodes need to be applied every year up to three times during the grub stage.

What should I do next year to protect my trees?

Keep an eye out in mid-June for Japanese beetles. Handpick beetles off small or newly planted trees. Preventing early feeding damage can protect trees in the following weeks. If populations are too high to remove by hand, spray an insecticide labeled to control Japanese beetles on your particular tree species. Repeat, if needed, at labeled intervals.

For large established trees, help reduce stress caused by Japanese beetle feeding through good tree care practices: water trees 2-3 times per month during drought conditions, avoid wounding by mowers and weed trimmers, and, if used, keep mulch rings no deeper than 3”.

Do weather conditions impact Japanese beetle populations?

Drought conditions in July and August can lead to the death of many newly hatched grubs. During severe droughts, irrigated areas and some low-lying wet locations may be the only places that grubs survive. Harsh winter conditions can also be a limiting factor in Japanese beetle grub survival. Grubs are killed when soil temperatures reach 15°F or when soils remain near 32°F for two months, (snow cover can significantly insulate soils from frigid air). A cold winter without much snow could greatly reduce the following year’s adult beetle population.

Forest Health Program
Missouri Department of Conservation
To contact your local forester, see the local contact box athttp://mdc.mo.gov

Our Certified Arborists

To view a list of our Certified Arborists, click here!

Please call the office of All About Trees at (417) 863-6214 or fill out a contact request form to schedule an appointment for an estimate.

Phone: (417) 863-6214
Address: 3427 W. Farm Road 146, Springfield, MO 65807

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