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Are you seeing brown, dry leaves on trees this spring? They may have been damaged by cold weather. “We didn’t get a hard freeze this spring, but we have had nights that got cold enough for frost,” ...

Every spring across Europe, billions of oak leafroller moth caterpillars hatch on oak branches and immediately start chewing. Their survival depends on perfect timing: the larvae must emerge just as ...

Forests don’t always wake up as soon as spring arrives. Sometimes, they hold back. A new study suggests that oak trees ...

Now is a great time to inspect your trees for torn limbs that need to be properly pruned. Many of my deciduous trees (trees that lose their leaves) are either just starting to put on new leaves or are ...

Question: My hackberry trees are dropping leaves for no apparent reason. The leaves look fine, no bugs or mold spots or discoloration of any kind. Do you have any idea what might be causing the leaf ...

Video series adds “spring bloom” to aid in the identification of different trees. With vivid pictures sharing what to look for regarding the leaves, bark and bloom, Purdue Extension Forester Lenny ...

Powdery mildew on Tatarian maple leaves. Photo courtesy Getty Images. Welcome to our tree column, “Ask your local arborist.” Each month, arborists from the Davey Tree Expert Company in Menlo Park ...

Have you ever noticed that some sprouts and flowers appear much earlier in the spring than others? Or have you ever wondered why one tree will have boughs full of leaves while another stands there sad ...

Oak trees have a surprising trick to fight back against hungry caterpillars: they simply wait. When trees are heavily ...