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How do I prevent aspen sprouts from coming up in my lawn?
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Quaking aspen trees propagate by underground stems, suckers that extend from the base of the tree. Surrounding the root system with an underground barrier will confine the root system, but this strategy is usually impractical. Suckers are more prolific when trees are stressed, so maintain good tree vigor with deep infrequent irrigation, sufficient fertilizer and minimal disturbance to the root system. Avoid pruning aspen trees severely or they will respond with additional suckering.
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