HOUSELEEK

FAMILY: Crassulaceae | GENUS: SEMPERVIVUM

TYPE
  • Perennials
  • Succulents
SUN EXPOSURE
  • Full Sun
  • Partial Shade
WATER
  • Drought Tolerant
  • Moderate Water
PLANTING ZONES
  • US (Upper South) / Zone 6
  • MS (Middle South) / Zone 7
  • LS (Lower South) / Zone 8
  • CS (Coastal South) / Zone 9

Plant Details

Native to mountains of Europe. Form tightly packed rosettes of fleshy, evergreen leaves; spread by little offsets that cluster around parent rosette. Clustered, star-shaped summer flowers in white, yellowish, pink, red, or greenish; pretty in detail but not showy. Blooming rosettes die after setting seed, but offsets (easily detached and replanted) carry on. There are many species; all are good in rock gardens, pots, even in pockets in boulders or pieces of porous rock. Need excellent drainage. Water only to prevent shriveling.

cobweb houseleek

sempervivum arachnoideum

  • Gray-green rosettes of many leaves are joined by fine hairs for a cobweb-covered look.
  • Larger rosettes (to 2 inches wide) are surrounded by a host of smaller ones.
  • Spreads slowly to make a dense mat to 1 feet or wider.
  • Bright red flowers on 4- to 6 inches stems.
  • Cebennense has cobwebby green leaves with burgundy tips.
  • Leaves of 'Rubrum' are flushed with red in spring.

sempervivum hybrids

  • Most selections sold fall into this category.
  • All form crowded rosettes that vary mainly in color and leaf shape.
  • Oddity is the most widely sold, with burgundy-tipped green tubular leaves; grows 8 inches high, 12 inches wide.
  • Black has deep maroon leaves with contrasting green new growth.
  • Carmen has large rosettes of green leaves tipped in red.
  • Leaves of 'Krebs' are chocolatey green; those of 'Rubikon Improved' are red.

hen and chickens

sempervivum tectorum

  • Gray-green, 2- to 5 inches-wide rosettes spread quickly to form clumps to 2 feet or wider.
  • Leaves have red-brown, bristly tips.
  • Red or reddish blossoms are borne on stems to 2 feet tall.
  • An old-time passalong plant.

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