Common Name Knock Out
Year Introduced/ Discovered 2000
Color Cherry Red
Average Dimensions 3'-6' x 3' – 4'
Number of Petals 5 -9
Exposure Full Sun
Spacing 3' – 6'
Fertilizing Fertilize in Spring just before new growth begins.
Cold Hardiness Hardy in zones 5 – 9
Water Use Keep moist until completely established. Average water needed during growing season.
Resistance to Disease Yes, Very
Foliage Deep green. Burgundy new growth
Growth Upright, bushy
Bloom Repeat, blooms from spring – frost
History Bred in 2000 by William Radler Parentage=Carefree Beauty x Razzle Dazzle.
Color is deeper red in cool weather. In summer, cherry red blooms open and turn deep pink. Prune lightly to promote more blooms in summer.