Return to Plant Finder

Clicking the following controls will change the main image displayed above.

KNOCK OUT® KNOCK OUT®

Rose

Rosa

'RADrazz'

PP#11,836; CBR#0993

Swipe to View More
Cluster of five red Knock Out Rosa blooms "}
  • Disease resistant
  • Continuous blooming
  • Summer color
Description

This 2000 AARS winner set the disease resistant landscape rose trend. Cherry red flowers are produced continuously from summer through fall.

USDA Zone
5 - 9 (-20°F/-28°C)
Exposure
Full sun
Height
3 - 4'
Width
3 - 4'
Finish Time
1 season
Type
Deciduous
Bloom Time
Summer
Flower Color
Red
Foliage Color
Green

Soil

Moist, well drained, slightly acidic soils are best; that said, roses are known to be quite adaptable to soils except for very wet areas.

Pruning

Prune in spring, cutting back to just above large buds.

Uses

Mass plantings; hedges; mixed borders; foundation plantings; cottage gardens.

Growing Tips

Plant in full sun with good air circulation for best performance. Does not require deadheading to bloom continuously.

Features: Attracts pollinators, Disease resistant, Reblooming

Filters: Botanical genus: Rosa, Common name: Rose, Retail program: Local Roots®, USDA Zone 5, USDA Zone 6, USDA Zone 7, USDA Zone 8, USDA Zone 9, Exposure: Full sun, Bloom time: Summer, Red flowers, Green foliage

Features: Attracts pollinators, Disease resistant, Reblooming

Filters: Botanical genus: Rosa, Common name: Rose, Retail program: Local Roots®, USDA Zone 5, USDA Zone 6, USDA Zone 7, USDA Zone 8, USDA Zone 9, Exposure: Full sun, Bloom time: Summer, Red flowers, Green foliage