Q: About seven years ago, we planted a maple tree. During the second spring, the bark began to split on one side. We asked the nursery where we purchased the tree if this would be a problem. We were ...

Once leaves drop from trees, splitting, peeling, bleached or oozing bark may become more noticeable. The cause can range from normal bark development to environmental causes or disease. If tree bark ...

We have a prairie fire crabapple tree that has very severe splitting in almost all of the major branches. There is some evidence of old bark splits that have healed over that we did not notice until ...

Record numbers of people are turning to gardening while we shelter in place. If you’ve got questions, turn to Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension ...

Spring has sprung and gardeners are digging in. Got questions as you carry on? Get answers from Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service. OSU ...

OTSEGO, Mich. — A maple tree in Otsego looked a bit bare after lightning struck its trunk Thursday, May 14, 2020. Missy Dziekan said she was at work when storms rolled through, and came home to quite ...

The list of diseases attacking trees in the Pacific Northwest grows every year. A pathogen now found in Bellingham brings an added concern: It can injure people. A research project using citizen ...