Either of these things can cause the leaf on your tree to be smaller than normal.Ĭold weather at leaf break – When the weather warms quickly in the spring and trees bud out earlier than normal they are susceptible to a late frost killing the buds or newly formed leaves. When trees get too much water their roots can decay and stop taking water in. Lack of water or too much water – Many of the same symptoms occur when there is either too much or too little water available for your trees. Once treated, any new leaves will be normal. When feeding on young leaves scale insects can distort them and cause enough stress to make them smaller. The scale insect can cause injury to your leaves, however. This is not harmful, but could be unsightly and worrisome to homeowners. As the insects excrete honeydew from the phloem they’ve ingested from your tree, and as the holes weep phloem from the sapsuckers holes, your maple’s trunk turns black. You will often find holes in the trunk where they’ve been. Sapsuckers take advantage of this and feed on them. Scale insects – Many maples have scale insects on their trunks, limbs, twigs and leaves. One symptom of many potential problems is a smaller than normal leaf. We have brainstormed and created the following reasons your maple might be producing smaller leaves than it has in years past. And while they are generally a hardy, native tree they can also have their share of problems. We have lots of maples growing in our area. We discuss these findings with each other because of our love for trees and our desire to help you by gathering information. As we, the Arborists at Schneider Tree Care, are out on your properties day after day we often see patterns develop.
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