By leaf fall, leaves of ‘Honeycrisp’ are often visibly more brown than other apple cultivars. The symptoms often are more noticeable on trees with light crops or on less vigorous trees.

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 Skip to main content. You have ...

In her weekly column, Thorny Problems, Helen Yemm gives her advice on aphids caushing havoc with apple trees By Helen Yemm 21 July 2015 • 3:02pm Curling apple tree leaves can be a sign of aphids ...