Knock Out Rose
The family of Knock Out roses now includes 7 distinct selections: the original red-pink single (Rosa ‘Radrazz’); Double Knock Out (Rosa ‘Radtko’) which is pink; Pink Knock Out (Rosa ‘Radcon’)- a paler single pink; Rainbow Knock Out (Rosa ‘Radcor’) which bears coral petals with a yellow center; Blushing Knock Out (Rosa ‘Radyod’) with pale pink flowers that fade as the petals age; and Sunny Knock Out (Rosa ‘Radsunny’) which is a light clear yellow which fades to cream.
These undemanding shrubs will grow 3-4' tall, but
can be maintained smaller. Blooming
will occur off and on all summer until hard frost. The hedge of Knock
Out Roses that surrounds the elliptical lawn adjacent to the Winter
Garden at Tower Hill began blooming in early June, rested a moment,
and continued to flower until early November. Disease resistant.