Question about Knockout roses

Claudia2001November 27, 2013

I ordered some knockout roses online (I couldn't find any that were local in the right color or weren't healthy).

They are small. They came in 6" pots. I've been covering them at night due to the freezing temps (26* last night!). Should I be covering them? I want them to go dormant but I'm not sure if they're old enough to do that?

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TXSkeeter

That may depend upon where you're located. I've successfully wintered over "new roses" (Zone 7), that is, those in pots as you've described, by digging a hole large enough to hold both pot and rose in their eventual planting spot . Leave approximately one third of the rose canes sticking out of the soil, packing the remainder of the hole with dry leaves and/or unfinished compost well above the cane junction near the base of the plant. Heap up leaves around the plant as possible and cover on particularly cold nights or days with a 5 gallon WHITE bucket (transmits some light). Note that the bucket is there primarily to keep your insulating layer of leaves in place and should be removed if temps start to rise above 35-40 degrees F.
At planting time, situate the plant at the proper soil level and amend as is your usual custom.
Good luck!
Steve

    Bookmark   November 27, 2013 at 7:00PM
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Claudia2001

I'm in zone 7a.

Unfortunately, they're already planted and have been for a week. How do you think I should proceed in that case?

    Bookmark   November 28, 2013 at 10:11AM
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TXSkeeter

Just cover with dry leaves and they'll probably make it just fine.

    Bookmark   November 28, 2013 at 3:30PM
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seamommy(7bTX)

In zone 7a you need to water them regularly, but especially if we're expecting a hard freeze. The roots will be growing during the winter and even though the top of the plant will go dormant the roots will continue to grow. It probably would be a good idea to mulch heavily.

    Bookmark   November 29, 2013 at 10:40PM
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