3-Gallon Double Knock Out Rose is a continuous blooming upright deciduous shrub with abundant clusters of large cherry red double flowers which bloom from spring until the first frost. The purplish-green foliage has no fall color. Best grown in full sun and rich, moist, slightly acidic well-drained soils. Resistant to black spot.
|
Type: |
Shrub |
|
Height: |
3' - 4' |
|
Spread: |
3’ - 4' |
|
Spacing: |
3' |
|
USDA Hardiness Zone: |
5 - 11 |
|
Culture: |
Full Sun |
|
Bloom Color: |
Red |
|
Season of Interest: |
Spring, Summer, Fall |
MAINTENANCE NEEDS: Medium Maintenance. Roses are susceptible to powdery mildew, black spot, rust, and rose rosette and require regular fungicide in humid areas that experience a lot of rainfall. Pest issues include aphids, borers, scale, mites thrips, midges, and leafhoppers.
LANDSCAPE USES: Accents or Group Plantings, Borders, Naturalized Areas, Wildlife Garden, Foundation Plantings, and Containers.
COMPANION PLANTS: Phlox, Hyssop, Tickseed
IMAGE: Tony Alter, Red Double Knockout Rose close, CC BY 2.0
*As plants have ranges in appearance they may not appear as the images shown.