Photo of Sempervivum arachnoideum 'Rubrum' foliage by Little Prince of Oregon

Photo by Little Prince of Oregon

Used with permission, all rights reserved.

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Sempervivum arachnoideum 'Rubrum'

Also Known As

  • Sempervivum 'Red Cobweb'
  • Sempervivum arachnoideum 'Red Cobweb'
  • Cobweb Houseleek
  • Hens and Chickens
  • Rubrum Hen and Chicks

Plant type

cactus / succulent, groundcover

size

  • H: 1"-4"
  • W: 5"-10"

planting zones

  • 4a-9b

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Sempervivum arachnoideum 'Rubrum' plant details

Sempervivum arachnoideum 'Rubrum' is an evergreen groundcover cactus / succulent with burgundy, green and red foliage. In summer pink flowers emerge. Features fuzzy texture. Attracts bees making it an excellent addition to pollinator gardens. Grows well with sun - mostly sun and occasional - low water. Drought tolerant once established. Does well in average, gritty, lean, rocky and well-drained soil.

CHARACTERISTICS OF Sempervivum arachnoideum 'Rubrum'

Plant type: groundcover cactus / succulent
Plant family: crassulaceae
Foliage: evergreen burgundy, green and red
Mature size: 5 IN - 10 IN - wide, 1 IN - 4 IN - tall
Flowers: pink blooms in summer
Uses: container plant, easy-to-grow, long-lived, rock garden, roof garden, rosette-forming

GROWING CONDITIONS for Sempervivum arachnoideum 'Rubrum'

USDA Zones: 4a - 9b
Sun exposure: sun - mostly sun
Watering frequency: occasional - low
Soil needs: average, gritty, lean, rocky and well-drained

Nursery contributed plant descriptions

Zn 4 Evergreen cobwebby rosettes form large clumps of succulent, gray-green leaves covered in soft white hairs. Foliage turns red in the spring. Starry pink flowers. Drought tolerant. Hens & Chicks grow best in well-drained, gravelly soil that is not wet in winter. Drought tolerant. Requires little water once established.
"Houseleeks", "Live Forever" and "Hens and Chicks" are among the common names for Sempervivum. 'Red Cobweb' is an eyecatching form with ruby tinted rosettes of foliage adorned with spider web like filaments.

Gardening facts about Sempervivum arachnoideum 'Rubrum' plant

How to Grow Sempervivum arachnoideum 'Rubrum'

  • Sun Exposure

    • sun - mostly sun
  • Water Needs

    • occasional - drought tolerant
  • Soil Needs

    • average
    • lean
    • well-drained
    • rocky
    • gritty

Features

  • Foliage Color

    • red
    • green
    • burgundy
  • Flower Color

    • pink
  • Wildlife

    • bees
  • Flower Season

    • summer
  • Foliage Season

    • evergreen
  • Texture

    • fuzzy
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