Double Knock Out® Shrub Rose
Rosa x 'Radtko' PP #16,202
Pronunciation: ROH-zuh
SKU #03090
| Description | A maintenance free rose that continually produces self-cleaning double candy apple red flowers with a slight spicy fragrance. Unsurpassed resistance to black spot and downy mildew leaf diseases. This rounded, bushy, well-behaved shrub creates an excellent low hedge or accent. Deciduous. |
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| Light | Full sun |
| Watering | Water when top 3 inches of soil is dry. |
| Blooms | Spring through Fall |
| Mature Size | Fast growing; reaches 3 to 4 ft. tall and wide. |
| Deciduous/Evergreen | Deciduous |
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| Special Features | Attracts Butterflies, Easy Care, Improved Pest and Disease Resistance, Non-toxic to Cats and Dogs |
| Growth Rate | Fast |
| Flower Attributes | Fragrant, Long Bloom Season, Repeat Flowering, Showy Flowers |
| Patent Act | Asexual reproduction of plants protected by the Plant Patent Act is prohibited during the life of the patent. |
| Landscape Use | Border, Container, Hedge, Accent |
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| Design Ideas | Ideal to integrate into shrub or mixed borders for solid, long-season color without additional care. Makes a fine addition to south and west facing foundation beds. Use in the back of perennial borders to intensify season long color. Plant in irregular groupings for a large scale cover that blocks weeds. Great in pairs to flank an entry, steps or gate. Plant en masse to create a low, semi-formal hedge or to clean up unattractive paving edges around porches and patios. |
| Flower Color | Red |
| Foliage Color | Green |
| Companion Plants | Spruce (Picea); Holly (Ilex); Potentilla (Potentilla); Tickseed (Coreopsis); Phlox (Phlox); Hummingbird Mint (Agastache) |
| Care | Thrives in enriched, loamy, well-drained soil. Water deeply, regularly in first growing season to establish root system; avoid overhead watering. Feed before new growth begins in spring; repeat mid-season. Mulch to keep roots cool. Prune in late winter or early spring after threat of frost is gone to promote vigorous new growth. |
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This Plant's Growing Zones: 5-9
Your USDA Cold Hardiness Zone:
Your climate may be too cold for this plant
Buy Online
This plant is not available to purchase online.
Check a local Monrovia retailer.
Buy Locally
This plant may be available in these stores:
Due to the seasonal nature of plants, availability at your local garden center is not guaranteed. Give them a call before visiting.
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101 Market 8980 Quantrelle Ave. N.e.
Otsego, MN 55330 -
14th Street Garden Center 793 Jersey Ave.
Jersey City, NJ 07303 -
3rd Avenue Floral & Greenhouse 1110 3rd Ave. West
Dickinson, ND 58601