Breeder William Radler encouraged all of us to rethink what we know about Roses and to use them in remarkable new ways in the landscape. Lorayne Emery August 4, 2015 at 6:04 pm - Reply. Plant a Knock Out rose variety instead of shying away from these elegant bushes. The blossoms stand out against the disease-resistant, dark green, almost black foliage. Online shopping from a great selection at Home & Kitchen Store. White roses are the most challenging to paint but you’ve inspired me to go into the studio and capture some wondrous whites!