Sempervivum hirtum (Hairy Houseleek)


Botanical Information

FamilyCrassulaceae
GenusSempervivum
Specieshirtum
SynonymsSempervivum globiferum subs. hirtum, Diopogon hirtus
CategoryPerennials
OriginFrance to Italy and Russia.

Details

USDA Hardiness Zone2
USDA Hardiness Ref.
Canadian Hardiness Zone3
Canada Hardiness Ref.
RHS Hardiness ZoneH7
RHS Hardiness Ref.
Temperature (°C)-40
Temperature (°F)-40
Height10 cm
GrowthMedium
Flowering PeriodJune, July, August

Description and Growing Information

ID CharacteristicRoughly fringed leaves and flowers.
ShapeMat-forming with erect flower shoots.
LandscapeContainers, in potted succulent collections, as a potted patio plant, in rock gardens, as ground cover or as a specimen.
PropagationOffsets.
CultivationPlant in full sun to partial shade in dry, well-draining loamy or sandy soil.
PestsNone known.
Notable SpecimensUniversity of Alberta Botanic Garden, Devon, Alberta, Canada.
HabitatDry rocky outcroppings and on high, dry alpine slopes.
Leaf DescriptionRosettes measuring approximately 7 cm in diameter of fleshy succulent leaves around 15 - 20 mm long and 5 - 7 mm wide. Rosette leaves are lightly haired and offsets are glaborous.
Flower DescriptionFringe-like blooms pointing upward in clusters of 3 - 5 on erect flowering bodies.
Colour DescriptionVivid lime green to yellow green foliage tipped with a crimson red. Bright yellow-green flowers on reddish-green stems.
Texture DescriptionSmooth and leathery, to lightly- to densely-haired.

Photographs