When we think of a tree, we usually picture a single big trunk that divides into branches overhead. Yet sometimes trees may sprout small stems sprouting from the base of the trunk, down by the roots.

If you take a close look at some of the more established trees in your landscape, you may notice something you cannot seem to describe – it may look to you like a kind of fungus on your tree trunk. Is ...

Making Flush Cuts That Kill Trees Slowly Most homeowners think they're doing their trees a favor when they trim branches flush against the trunk. It looks cleaner, more professional even. Many ...

Q: I recently noticed a black, tar-like patch on my tree trunk, though it’s not tacky like actual tar. Are these insect eggs? Dried sap? Do I try to scrape it off? The tree has lichen but I don’t ...