Description
Knock Out Rose is a compact care-free deciduous shrub
with serrated purplish-green foliage that turns purple to burgundy in fall. Fragrant clusters of large cherry red flowers bloom from late spring until the first frost, and are followed by orange-red rose hips.
Best grown in
full sun
and rich, moist, slightly acidic well-drained soils. Knock Out is highly resistant to common rose diseases and drought tolerant.
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Type: |
Shrub |
|
Height: |
3′ – 4′ |
|
Spread: |
3’ – 4′ |
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Spacing: |
3′ |
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USDA Hardiness Zone: |
5 – 9 |
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Culture: |
Full Sun |
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Bloom Color: |
Red |
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Season of Interest: |
Spring, Summer, |
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: SB Johnny, Rosa ‘Knockout’ 8601, CC BY-SA 3.0
*As plants have ranges in appearance they may not appear as the images shown.
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