Question: I’m growing ‘Honeycrisp’ apple, and I’ve noticed that the leaves on my tree have these blotchy light yellow areas on them. It seems like most of the leaves have this; is it a ...

Trees can lose up to 25% of their leaf tissue without causing any major damage to the trees. Many gall-forming pests survive winter in the rough bark and crevices of the trunk and larger branches.

Many of you may be noticing large yellow-orange spots with red borders on the upper sides of your apple tree leaves. If you turn these leaves over you, will see spots on the underside as well.