Photo of Opuntia polyacantha 'Dark Knight' by plant lust

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Opuntia polyacantha 'Dark Knight'

Also Known As

  • Opuntia rhodantha 'Dark Knight'
  • Dark Knight Prickly Pear Cactus

Plant type

cactus / succulent

size

  • H: 10"
  • W: 4'

planting zones

  • 4a-9b

More Options

Opuntia polyacantha 'Dark Knight' plant details

Opuntia polyacantha 'Dark Knight' is an evergreen cactus / succulent with purple foliage. In spring and summer lavender and pink flowers emerge. Grows well with sun and occasional - low water. Drought tolerant once established. Prefers to be dry in winter. Does well in gritty, rocky and well-drained soil. A good option if you're seeking something verticillium wilt resistant.

CHARACTERISTICS OF Opuntia polyacantha 'Dark Knight'

Plant type: cactus / succulent
Plant family: cactaceae
Foliage: evergreen purple
Mature size: 4 FT wide, 10 IN tall
Flowers: lavender and pink blooms in spring and summer
Uses: container plant, desert garden, rock garden, spiky, xeric

GROWING CONDITIONS for Opuntia polyacantha 'Dark Knight'

USDA Zones: 4a - 9b
Sun exposure: sun
Watering frequency: occasional - low
Resistant to: deer, verticillium wilt
Soil needs: gritty, rocky and well-drained

Nursery contributed plant descriptions

Opuntia 'Dark Knight' is a Claude Barr selection with striking pads in shades of purple and green that can become all purple in cold weather. The long white spines and lavender-pink flowers complete the show. Plant in full sun in sharply draining soil.
This striking opuntia, a Claude Barr selection, has long white spines on distinctive pads of purple green, becoming more purple in winter cold. Colorful and even more so in late spring to early summer when the bright, lavender-pink flowers with golden stamens first appear. To 10" tall x 4' wide in sun and lean, well-drained soil. Frost hardy in USDA zone 4. Cactaceae

Gardening facts about Opuntia polyacantha 'Dark Knight' plant

How to Grow Opuntia polyacantha 'Dark Knight'

  • Sun Exposure

    • sun
  • Water Needs

    • occasional - drought tolerant
  • Water Needs

    • dry in winter
  • Soil Needs

    • well-drained
    • rocky
    • gritty
  • Special Situation

    • verticillium wilt resistant

Features

  • Foliage Color

    • purple
  • Flower Color

    • pink
    • lavender
  • Wildlife

    • deer resistant
  • Flower Season

    • spring
    • summer
  • Foliage Season

    • evergreen

See other plant types of Opuntia for your garden

aka Opuntia cycloides, Prickly Pear Cactus

Plant Type

Cactus / Succulent

Zones

7a-11

Size

Height: 4'-6'

Width: 6'-10'

  • sun - mostly sun
  • occasional - drought tolerant
  • dry in winter
Photo of Opuntia cyclodes form by plant lust
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aka Prickly Pear

Plant Type

Cactus / Succulent

Zones

7a-11

Size

Height: 1'-3'

Width: 3'-8'

  • sun - bright shade
  • occasional - drought tolerant
  • dry in winter
Photo of Opuntia phaeacantha flower, form by Panayoti Kelaidis
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aka Opuntia potsii var. montana, Opuntia pottsii, Opuntia pottsii var. montana, Prickly Pear Cactus

Plant Type

Cactus / Succulent

Zones

4a-10b

Size

Height: 4"-15"

Width: 20"-30"

  • sun - mostly sun
  • occasional - drought tolerant
  • dry in winter
Photo of Opuntia macrorhiza ssp. pottsii by plant lust
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aka Opuntia subarmata, Prickly Pear Cactus

Plant Type

Cactus / Succulent

Zones

7a-10b

Size

Height: 3'-6'

Width: 5'-8'

  • sun - mostly sun
  • occasional - drought tolerant
  • dry in winter
Photo of Opuntia engelmannii var. lindheimeri flower, foliage by Patricia Cunningham
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aka Beavertail Cactus

Plant Type

Cactus / Succulent

Zones

7a-10b

Size

Height: 1'-2'

Width: 3'-4'

  • sun - mostly sun
  • occasional - drought tolerant
  • dry in winter
Photo of Opuntia basilaris flower, form by Stan Shebs
View Plant

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