Boething Treeland Farms grows over 1,000 varieties of trees, shrubs, perennials and specialty plants on 9 California nurseries to serve the wholesale landscape and nursery industries throughout the Western United States and beyond.
Plant Type: Roses
Evergreen-Deciduous: Deciduous
Overall Mature Size: Medium
Also Grown As: Bush
Mature Height & Spread: 3-4' x 3-4'
Natural Growth Habit: Rounded
Native To: Hybrid
Exposure: Full Sun, Partial Shade
Water: Medium Water, Low Water
Flower Color: Red
Bloom Time: Spring, Summer, Fall
Special Features: Attracts Bees / Attracts Butterflies / Cold Hardy / Deer Resistant / Drought Resistant / Fall Color / Hedge / Intermountain Conditions / Shade Tolerant
Container Sizes: #5
Sunset Garden Zones: A1-A3, 1-24, H1, H2
USDA Hardiness Zone: 5-11
Rosa landscape shrub ‘The Double Knock Out’® is a low-maintenance landscape shrub known for its continuous, double cherry-red, slightly fragrant flowers from spring to frost. Excellent disease resistance (especially to black spot). No deadheading required for new blossoms. Ideal for hedging, mass plantings, or container gardening. Prefers well-drained, fertile soil. Cold hardy to -20°F.
Rosa landscape shrub ‘The Double Knock Out’® is a low-maintenance landscape shrub known for its continuous, double cherry-red, slightly fragrant flowers from spring to frost. Excellent disease resistance (especially to black spot). No deadheading required for new blossoms. Ideal for hedging, mass plantings, or container gardening. Prefers well-drained, fertile soil. Cold hardy to -20°F.
