Photo of Rosa The Knock Out® PP11836 flower by Karl Gercens III

Photo by Karl Gercens III

Used with permission, all rights reserved

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Rosa The Knock Out® PP11836

Scientific Name: Rosa 'Radrazz'

Also Known As

  • Rosa 'Knock Out'
  • Rosa 'KnockOut'
  • Knock Out Rose
  • Radrazz Knock Out® Rose
  • The Knock Out® Rose

Plant type

shrub

size

  • H: 3'-4'
  • W: 3'-4'

planting zones

  • 4a-10b

More Options

Rosa The Knock Out® PP11836 plant details

Rosa The Knock Out® PP11836 is a broadleaf deciduous shrub with green foliage. In fall, spring and summer red flowers emerge. Features glossy texture. Grows well with sun - bright shade and regular water. Does well in rich and well-drained soil.

CHARACTERISTICS OF Rosa The Knock Out® PP11836

Plant type: shrub
Plant family: rosaceae
Foliage: deciduous green
Mature size: 3 FT - 4 FT - wide, 3 FT - 4 FT - tall
Flowers: red blooms in fall, spring and summer
Uses: border plant, cutting garden, easy-to-grow, floriferous, fragrant, hedge, long-blooming, spiky

GROWING CONDITIONS for Rosa The Knock Out® PP11836

USDA Zones: 4a - 10b
Sun exposure: sun - bright shade
Watering frequency: regular
Soil needs: rich and well-drained

Nursery contributed plant descriptions

Fire-engine-red flowers, everblooming. Disease resistant dark green semi-glossy foliage. Zones 5-11.
Cherry red. (Radrazz) An amazing rose that has many excellent qualities: it flowers freely and continuously, it is disease free, drought tolerant and hardy. The simple flowers are glowing, deep, cherry red, a color that is complemented by the dark leaves. Attractive, bushy growth. Light fragrance. Height 3ft x 4ft. (Radler 1999). Deep, puplish green foliage.

By: Growquest Growers

Gardening facts about Rosa The Knock Out® PP11836 plant

How to Grow Rosa The Knock Out® PP11836

  • Sun Exposure

    • sun - bright shade
  • Water Needs

    • regular
  • Soil Needs

    • well-drained
    • rich

Features

  • Foliage Color

    • green
  • Flower Color

    • red
  • Flower Season

    • spring
    • summer
    • fall
  • Foliage Season

    • deciduous
  • Texture

    • glossy

See other plant types of Rosa for your garden

Scientific Name: Rosa glauca var. rubrifolia

aka Rosa rubrifolia, Red Leaf Rose

Plant Type

Shrub, Perennial

Zones

2a-10b

Size

Height: 5'-8'

Width: 6'-9'

  • sun - mostly shade
  • regular - drought tolerant
Photo of Rosa glauca flower by Cistus Nursery
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aka Rosa pomifera, Apple Rose

Plant Type

Shrub

Zones

5a-10b

Size

Height: 6'-8'

Width: 3'-4'

  • sun
  • regular
Photo of Rosa villosa flower by Phyzome
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aka Baja Rose, Baja Wild Rose, Small-leafed Rose

Plant Type

Shrub

Zones

9a-11

Size

Height: 3'-4'

Width: 3'-4'

  • sun
  • occasional - drought tolerant
  • dry in summer
Photo of Rosa minutifolia close-up, flower, foliage by Stan Shebs
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More Options

aka Cluster Rose, Swamp Rose

Plant Type

Shrub

Zones

7a-9b

Size

Height: 5'-10'

Width: 3'-10'

  • sun - mostly sun
  • regular
Photo of Rosa pisocarpa flower by J.G. in SF
View Plant

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aka Western Wild Rose, Woods' Rose

Plant Type

Shrub

Zones

4a-9b

Size

Height: 3'-7'

Width: 3'-7'

  • sun - dappled shade
  • regular - drought tolerant
  • dry in summer
Photo of Rosa woodsii close-up, flower by Stan Shebs
View Plant

More Options

+485 more Rosa
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