Q.when to fertilize roses
I am in zone 7 and have knockout roses that were planted.
Nikki
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on March 13, 2012
These articles should help: https://www.gardeningknowhow.com/ornamental/flowers/knockout-roses/care-knockout-roses.htm
https://www.gardeningknowhow.com/ornamental/flowers/roses/best-rose-fertilizer.htm
https://www.gardeningknowhow.com/ornamental/flowers/roses/rose-fertilizer.htm
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