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Red Knock Out® Rose

Rosa 'Radrazz' Knock Out

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Overview

The Red Knock Out® Rose (Rosa 'Radrazz' KNOCK OUT) is a hardy shrub rose with vibrant, cherry-red blooms. It reaches a maximum size of 4 feet tall and wide, thriving in USDA zones 5 through 11. This low-maintenance variety is disease resistant and blooms continuously from spring until the first frost, providing long-lasting, bold color. Ideal for borders or mass plantings, it requires full sun and well-drained soil.

Sun Full, HalfWater Extra in Summer, MediumZones 6–11Climate Temperate
Red Knock Out® Rose (Rosa 'Radrazz' Knock Out) — This low-maintenance variety is disease resistant and blooms continuously from spring until the first frost

Culture

Sun
Full, Half
Water
Extra in Summer, Medium
USDA zones
6–11

Shape & size

Mature height
3–4 Ft.
Mature width
3–4 Ft.

Classification

Family
Rosaceae
Climate
Temperate

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Photos (58)

Red Knock Out® Rose (Rosa 'Radrazz' Knock Out) — The Red Knock Out® Rose (Rosa 'Radrazz' KNOCK OUT) is a robust and highly esteemed shrub rose; it is
Red Knock Out® Rose (Rosa 'Radrazz' Knock Out) — celebrated for its profuse and vibrant blooms; the Red Knock Out® Rose (Rosa 'Radrazz' KNOCK OUT) is a
Red Knock Out® Rose (Rosa 'Radrazz' Knock Out) — This variety presents a vivid display of rich cherry red flowers; which can be as large as 3 to 3.5 inches
Red Knock Out® Rose (Rosa 'Radrazz' Knock Out) — particularly to black spot and powdery mildew; red flowers in the garden
Red Knock Out® Rose (Rosa 'Radrazz' Knock Out) — reducing the need for chemical treatments; the Red Knock Out® Rose (Rosa 'Radrazz' KNOCK OUT) is a
Red Knock Out® Rose (Rosa 'Radrazz' Knock Out) — blooming from spring until the first hard frost; this low-maintenance variety is disease resistant and
Red Knock Out® Rose (Rosa 'Radrazz' Knock Out) — With a moderate mature height and spread of about 3 to 4 feet, image 29
Red Knock Out® Rose (Rosa 'Radrazz' Knock Out) — Pruning should be done annually in late winter or early spring; this variety presents a vivid display of
Red Knock Out® Rose (Rosa 'Radrazz' Knock Out) — USDA Hardiness Zones for the Rosa 'Radrazz' range from 5 to 11, ensuring adaptability in, image 33
Red Knock Out® Rose (Rosa 'Radrazz' Knock Out) — It is also noted for being drought tolerant once established; reducing the need for chemical treatments
Red Knock Out® Rose (Rosa 'Radrazz' Knock Out) — shrub with red blooms; blooming from spring until the first hard frost
Red Knock Out® Rose (Rosa 'Radrazz' Knock Out) — red flowers in the garden; it reaches a maximum size of 4 feet tall and wide, thriving in USDA zones 5
Red Knock Out® Rose (Rosa 'Radrazz' Knock Out) — providing an alluring attraction for both homeowners and pollinating insects such as bees and, image 35
Red Knock Out® Rose (Rosa 'Radrazz' Knock Out) — This low-maintenance variety is disease resistant and blooms continuously from spring until, image 41
Red Knock Out® Rose (Rosa 'Radrazz' Knock Out) — The Red Knock Out® Rose (Rosa 'Radrazz' KNOCK OUT) is a hardy shrub rose with vibrant, image 39
Red Knock Out® Rose (Rosa 'Radrazz' Knock Out) — shrub for full or half; providing an alluring attraction for both homeowners and pollinating insects such
Red Knock Out® Rose (Rosa 'Radrazz' Knock Out) — It reaches a maximum size of 4 feet tall and wide, thriving in USDA zones 5 through 11, image 40
Red Knock Out® Rose (Rosa 'Radrazz' Knock Out) — This variety presents a vivid display of rich cherry red flowers; which can be as large as 3, image 45
Red Knock Out® Rose (Rosa 'Radrazz' Knock Out) — celebrated for its profuse and vibrant blooms; the Red Knock Out® Rose (Rosa 'Radrazz', image 44
Red Knock Out® Rose (Rosa 'Radrazz' Knock Out) — The Red Knock Out® Rose (Rosa 'Radrazz' KNOCK OUT) is a robust and highly esteemed shrub, image 43
Red Knock Out® Rose (Rosa 'Radrazz' Knock Out) — Ideal for borders or mass plantings, it requires full sun and well-drained soil; celebrated, image 42
Red Knock Out® Rose (Rosa 'Radrazz' Knock Out) — particularly to black spot and powdery mildew; red flowers in the garden, image 49
Red Knock Out® Rose (Rosa 'Radrazz' Knock Out) — With a moderate mature height and spread of about 3 to 4 feet, image 48
Red Knock Out® Rose (Rosa 'Radrazz' Knock Out) — blooming from spring until the first hard frost; this low-maintenance variety is disease, image 47

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