When is the best time to trim back rose bushes?
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Jlm30577672
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These are the type that ever bloom all summer.
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Late winter or early spring when they are dormant
When they stop blooming..........
Late winter to early spring.
Autumn or Spring.
https://m.wikihow.com/Prune-Knockout-Roses
I trim mine back right before the first frost is expected. Trim them way back---- they should come back with a vengeance in the spring.