Prune knockout roses in fall

fitzgalehouseOctober 20, 2013

Is it ok to prune knockout roses now in oct? And how far back? Currently 3-4 feet tall and wide. Thx

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Mike Larkin

Late winter or early spring is a great time . October may not be too bad. I may wait until the temps are consistently cold.
You could prune to 1/2 the size and have no problems.

Enjoy, Mike

Here is a link that might be useful: Garden Design Ideas

    Bookmark   October 21, 2013 at 7:18PM
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I would wait until they go dormant. I usually like to wait until early march when new buds start to appear. You can whack them back to a foot.. That will keep them compact to about 3 feet by the end of the year... 18" will get you 4 feet. They will bloom every six weeks from may-November.. You can take off 6" after each bloom cycle and they will pop even better... 6-8" is about the extent of "pruning" from April- dec. hard pruning is best jan-march.

    Bookmark   October 31, 2013 at 11:26PM
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demeron(Zone 6)

I prune mine late Feb-early March. This year I slaughtered my pink one-- to like 8' inches off the ground. It rebounded joyfully to 3 or 4 feet. There is an amusing You Tube video of a well-heeled gentleman showing how to cut your Knock Out back. Note the bottle of beer in his wheelbarrow.

    Bookmark   November 8, 2013 at 8:31AM
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