Although it may be visually appealing, allowing a tree to grow multiple trunks could cause problems in the future. Here's ...

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 ...

In some cases, a tree's trunk may have a spiral pattern on it because of how vines grew up it in the past. In others, the spirals may be related to the tree growing in an area with strong winds or ...