Shrubs

Q. My boxwood shrubs turn a dull bronze color in the winter. Are there any varieties that stay green all winter?

Q. I would like to grow the beautiful butterfly bush that attracts so many varieties of butterflies at this time of year. Any tips?

Q: My red-twig dogwood stems don't seem to be as bright red as they used to be. What is the problem?

Q. When is the correct time to prune evergreen hedges?

Q. I grew two small evergreens in containers this summer. Can they remain outside in winter?

Q. What accounts for the different autumn color displays in trees and shrubs?

Q. I would like to use some of the flowering shrubs on my property and cut branches to force indoors for late-winter color. What is the best way to do this?

Q. What types of hydrangeas can be successfully grown in the Chicago area?

Q. When is the best time of year to prune my trees and shrubs?

Q. I am looking for some unusual summer-blooming shrubs for my landscape. Do you have some suggestions for hardy and floriferous shrubs?

Q. I have recently installed a soaker hose system throughout my garden. How long do I let the water run in order to water adequately?

Q. Please give me some information on the flowering witch hazel that blooms in March.

Q: How often should I fertilize the roots of my trees and shrubs?

A: As a general rule, it is not necessary to use synthetic fertilizers for trees and shrubs unless the plants exhibit a nutrient deficiency. Good soil nutrition and a two-inch layer of compost, such as leaf mulch, placed around your trees and shrubs on a yearly basis should be sufficient for good plant health.

Q. Should I remove snow from my shrubs?

Q. Is there anything that I can do to prepare my trees and shrubs for winter?