The Knock Out® has fluorescent cherry red flowers in clusters of 3 to 15 blooms. The flowers have a light tea rose fragrance. The Knock Out® is maintenance free and disease resistant. 2000 AARS winner.
Bloom Time: May.
Growth Habit: 3-4′ in height.
Foliage: Glossy Green.
Sun/Shade: Sun.
Hardiness Zones: 4-8.
(‘Radrazz’ PP11836)