Is there an important difference between fertilizing evergreen, pine and arborvitae trees with those fertilizer "spikes" as opposed to granular fertilizer? Is one more effective than the other? Do ...

With beautiful bright yellow foliage that shines year-round, this low-maintenance evergreen proves you don't need flowers to make a bold statement.

My arborvitae were eaten by deer over the winter. The lower part of trees are almost gone. It looks ugly. Will the needles regrow? How long will it take? Can I do something to speed it up? If not, ...

Fall looms but gardening season is far from over, and you may have questions. To ask one, simply go to the OSU Extension website, type it in and include the county where you live. A photo is very ...

Q. We have a row of arborvitae trees that have not done well for about seven years. Someone told me that the trees require topping after their fifth year to make them full and bushy instead of their ...

When the slugs are chomping the hostas or the weeds have taken over the garden, get the answers you need with Ask an Expert, an online question-and-answer tool from Oregon State University's Extension ...