Zone 6 - Knowledgebase Question

Milwaukee, Wi
Question by RWGUY6
May 3, 2010
I bought 4 knockout tea roses in Wisconsin. The plant tag lists these as zone 6 plants. Does that mean they must have winter cover? Why does Home Depot sell zone 6 roses in Wisconsin?

Answer from NGA
May 3, 2010


Knock Out rose was developed by long-time Wisconsin rose breeder William Radler and are hardy down to zone 4, so yours should be just fine in your garden. Enjoy!

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