By Johntucker
United Kingdom 
The Geranium himalayense (in the border) has flowered - can I cut it back now (July)as it is smothering the rest of the flowers in its vacinity.
14 Jul, 2012
Answers
Yes ,cut back very hard immediately after flowering and they'll often flower again in 4-6 weeks.
I cut mine back hard again in mid to late September and they'll green up and stay looking tidy all winter and be ready to flower again in spring.
It's a good idea to remove half the plant entirely every 2-3 years as they tend to spread rather rapidly. The best time to do this is in autumn or early spring .
14 Jul, 2012
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Yes you can, I cut them back when the flowers are going over to keep in check as they get so wide, and in the autumn I cut back even more and give them a thick mulch.
14 Jul, 2012