Pruning Knockouts/Do or Don’t
First freeze has hit; still have blooms. . . do I prune my knockouts now or in spring? How much do I prune them? Can I control height and shape of bushes? Anything else to do for knockouts?
Here are some links to articles for you on this subject:
You certainly can prune them to control their shape and size and they will bloom nicely all the same. If you have any further questions feel free to ask them either here or by sending an email in from one of the link sites above.