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 ...

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, ...

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 ...

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 ...