The Q&A Archives: Encouraging Dogwoods

Question: Within the last two years my dogwood trees don't display flowers. In addition, I have a lilac bush that also is void of flowers. Could it be the soil? The backyard is surrounded by oak trees and the soil is very acid. Do you have any suggestions for me? HELP--spring without a flowering tree on my property disappoints me. Christine Papp

Answer: Both your dogwoods and lilacs may need a bit more sun than you're getting--especially if your yard is surrounded by oak trees. Lilacs in particular need at least 6 hours of direct sun to flower. You might want to consider moving it to a sunnier spot. The dogwood can handle less direct sun, but you might want to lime the soil to bring the pH to the 6.5 range and apply a few shovelfuls of compost around the drip line of the tree. If the tree is only 2 years old, it could be too young to flower also. I hope this helps.

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