Knock Out® Rose Double Red

Botanical Name: Rosa ‘Radtko’
Common Name: Double Red Knock Out Rose

Mature Height and Width:
3–4' tall × 3–4' wide

Growth Habit:
Compact upright-rounded shrub with dense branching and strong basal structure; forms a uniform mound but maintains natural irregularity and visible interior branching.

Foliage Description:
Glossy dark green compound foliage with excellent disease resistance; dense canopy providing strong backdrop for blooms; semi-evergreen in protected Zone 7 exposures.

Flower Description (if applicable):
Fully double deep red blooms with layered petals forming rosette shape; moderate bloom size with continuous repeat flowering; blooms held evenly across canopy.

Bloom Time:
Late spring through frost with strong repeat cycles

Fall Color (if applicable):
Minimal ornamental fall foliage; occasional hips may develop late season.

Light Requirements:
Full sun (minimum 6 hours for optimal flowering)

Hardiness Zone:
5–10

Notable Landscape Uses:
Mass plantings, low hedge, foundation borders, landscape color blocks, median plantings, container specimens, mixed shrub beds.

Deer Resistance:
Low to moderate; occasional browsing occurs in Northeast landscapes.