The double cherry red blooms of this variety bear a more classical form than the blooms of the original Knock Out. Boasting the same superb black spot resistance, yet slightly more winter-hardy, this bush stands apart.
Height/Habit: 3-4' h x 3-4' w; Bushy, rounded
Bloom/Petals: Medium-small; 15-20
Foliage: Deep purplish green
Hardiness Zones: 4 to 9