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 ...

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 ...

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 ...

Question: We have a large 60+ foot mulberry tree in our backyard that is located by our pond. This is the first year I have seen these dark streaks on the bark of the tree. Should I have concerns?

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, ...

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 ...

I have had some good conversations with people about Peter Wohlleben’s 2015 book “The Hidden Life of Trees: What They Feel and How They Communicate.” Preparing for a presentation with a local book ...

IF YOU are a regular reader, you will know of my weird fascination with traditional horticultural practices that endure for decades despite being resoundingly debunked by science. In this article, ...

Myth No. 1: Before planting a tree, prune living branches so the crown size is in balance with the root ball. Truth: It is not recommended to remove any live branches when planting trees. Live twigs, ...