"Rainbow Knock Out" is a single-blooming coral color rose. Also in the description of AARS are the following facts:
- The "Rainbow Knock Out" single-blooming coral rose is a shrub and landscape variety
- Foliage is dark green, semi-glossy
- Bush habit
- "Fully resistant to black spot, powdery mildew and rust"
- The "Rainbow Knock Out" single-blooming coral rose is a repeat bloomer
- Starts out a deep coral-pink, ends light coral to pink with a yellow center
