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slugpelletuk

Do ordinary garden roses have a life span?

21 years ago

I have a bed of ten lovely floribunda roses, at least they were once lovely, they are now about 15 years old, and produce thin and weak growth every summer, plus a reasonable amount of blooms, but maybe 25% of what they produced five years ago. Are they just past it now? Is there anything I can do to revitalise them, or should I just dig them up and start afresh? Every autumn I prune them back hard to about 1ft high and I mulch them in spring with well rotted horse manure, but the effect is the same, they seem to be getting more feeble every year.

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