We’ve noticed an increase in calls concerning yellowing needles in our customer’s evergreens, especially white pines. However, the “problem” is simply seasonal needle drop in trees. This is a normal and natural process in evergreen trees. Every year, evergreens experience a seasonal needle drop that is a normal part of the plant’s cycle. Older needles on the inside of evergreen trees are shed each fall after they turn yellow, brown, or reddish-tan in color. Sometimes this natural process is very subtle and goes unnoticed because only the innermost needles are affected. The change can be gradual, or, with some species, quite rapid. Seasonal needle drop in trees can cause concern to homeowners who are not familiar with this natural occurrence.
White pines show the most dramatic needle drop change. Their annual loss of needles can be especially alarming, as the number of yellow needles can outnumber the tree’s green growth. This can be very worrying to a tree owner! Typically, white pines will retain needles for three years, but in autumn, 2-or-3-year-old needles will change color and drop, leaving only the current season’s growth still attached.
So if you are seeing your evergreen trees drop yellow needles, this is part of their natural process. However, if you are seeing widespread decay within your tree, then please call the office to schedule an estimate at the phone number listed below. We will be more than happy to take a look at your trees to ensure their health and well-being.
To learn more specifics on seasonal needle drop, please visit https://www.mortonarb.org/trees-plants/tree-and-plant-advice/horticulture-care/seasonal-needle-drop
Please call the office of All About Trees at (417)863-6214 to schedule an estimate. Business hours are Monday-Friday 8:00 am – 4:00 pm. If we miss your call, please leave us a detailed voicemail message with your name, address, phone number, email, and your tree concerns.
“Seasonal Needle Drop.” Seasonal Needle Drop | The Morton Arboretum, www.mortonarb.org/trees-plants/tree-and-plant-advice/horticulture-care/seasonal-needle-drop#:~:text=Every%20year%2C%20evergreens%20experience%20a,part%20of%20the%20plant’s%20cycle.&text=Many%20evergreen%20needles%2C%20as%20they,with%20some%20species%2C%20quite%20rapid.