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knock out roses

Posted by richsd USDA 2b (My Page) on
Wed, Jul 31, 13 at 22:21

Will regular knock out roses survive winter in Aurora without any winter protection, or should I expect them to die to the ground? Thanks.

Follow-Up Postings:

RE: knock out roses

Supposedly they are hardy to zone 5, which would be safe for Aurora, Colorado, at least during most winters. A little winter protection might be wise if you're worried, especially if they are grafted and not own-root roses. But they are probably safe for the average Aurora winter. There are plenty of reports of them surviving zone 4 winters in places like Wisconsin and Minnesota.

RE: knock out roses

ok, thanks polygonum. I'll try that.

RE: knock out roses

  • Posted by GLiz Boulder (My Page) on
    Thu, Aug 8, 13 at 16:28

We have two chain hardware store-type knock out roses that had a very hard winter this year (as did all of our roses and everything else in our garden). We pruned a lot of dead branches, fertilized, fought off an aphid infestation, and now both knock-outs are bigger than last year, with lots of nice blooms.

RE: knock out roses

thanks for the info, GLiz! My brother's not much of a gardener, but at least I'll know what to expect when I visit his garden.

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