Trees can be expensive and are valuable plants we need to avoid injuring. Wounds are openings for decay organisms and trees expend energy for wound sealing, setting them up for other issues. During ...

I received an urgent call last week. A tractor had knocked a big chunk of bark off of an oak tree and the owner wanted to know what to do about the wound.This kind of incident is all too common, ...

Homeowners may be seeing some lingering effects of last year’s 17-year cicada emergence in smaller branches of trees, but it’s nothing to worry about. “The trees will be fine in the long run, even if ...

Q: I had some lower branches trimmed from my ponderosa pine in December. How long will it take for the sap to quit flowing? A: Sap flowing from a tree wound is part of its defense system . The sap ...

Q: A branch broke off my tree during a storm. What do I put on the tree to protect it from disease? A: While it is great that you are thinking of tree health, there is nothing you should put on the ...

Q: I heard that you shouldn’t use wound sealer when pruning your trees — that it does more harm than good. Is this true? A: Yes, it’s true. When pruning your trees, you should not use any sealer on ...

Don't stress if you have a tree that's not looking its best in the bark department. You can save a tree with damaged bark by first assessing the type of damage. Once you know the severity, you have a ...

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. This storm-damaged oak tree is in need of professional pruning (or care). Q • Some of my trees lost limbs in the storms we had ...