White Knock Out Rose is a continuous blooming upright deciduous shrub with abundant clusters of lightly fragrant pure white flowers that bloom from spring until the first frost. The deep almost black-green foliage has no fall color. Best grown in full sun and rich, moist, slightly acidic well-drained soils. Highly resistant to black spot and drought tolerant.
|
Type: |
|
|
Height: |
3' - 3.5' |
|
Spread: |
3’ - 3.5' |
|
Spacing: |
3' |
|
USDA Hardiness Zone: |
4 - 11 |
|
Culture: |
|
|
Bloom Color: |
White |
|
Season of Interest: |
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, Holly, Tickseed
IMAGE: T.Kiya from Japan, Rose, White Knock out. バラ, ホワイト ノックアウト, (24051792172), CC BY-SA 2.0
*As plants have ranges in appearance they may not appear as the images shown.
.jpg){kind=link}