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PP17346
I've had them one year. I was attracted by the color of blooms but they stay small and don't last, leaving it looking unkempt. It's not n...Read More
Rainbow Knockout sheds its petals cleanly, but as the season progresses it builds up a surface layer of blackened sepals/spent flowers th...Read More
There are 14 rainbow knock-out roses lining the front of my southwest facing beds that stay covered with powdery mildew from early spring...Read More
I have these planted in heavy shade and they still bloom like crazy . In my area they have no blackspot or mildew and they have beau...Read More
I like Rainbow Knockout, of all the knockout roses it's the prettiest. It makes a great choice for a tree rose.
It seems to enjoy...Read More
I saw the Rainbow Knock Out rose at a nursery today, and the plants had significant MILDEW on the new growth (top 6", leaves and buds). ...Read More
2007 AARS (All-American Rose Selection) winner.