Data specific to Sempervivum (Edit)
Other Details: Prof. N. Kosanin collected the first specimens from SW Yugoslavia in 1925 from MT. Osljak (Scardus?), growing on Triassic limestone.
History of species or Cultivar: S. kosaninii Praeger (Bull. Inst. Jard. Bot. Univ. Belgrade 1: 210, 1930)
Size: Small 1/2" to 2 1/2"
Medium 2 1/2" to 4"
Soil type: Well draining
Loamy / Medium
Sandy / light
Other: Found growing on growing on limestone. Needs soil that drains fast.
Water: Very low
Uses: Accent
Containers
Availability: Hard to find

General Plant Information (Edit)
Plant Habit: Cactus/Succulent
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Minimum cold hardiness: Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Leaves: Evergreen
Other: Both front and back of leaves are covered in fine hairs, with longer cilia present on leave margin of the leaves.
Flowers: Showy
Flower Color: Pink
Other: Pale pink with darker center on each petal.
Flower Time: Summer
Late summer or early fall
Fall
Other: It may be several years before it blooms
Uses: Provides winter interest
Groundcover
Wildlife Attractant: Bees
Butterflies
Resistances: Deer Resistant
Rabbit Resistant
Propagation: Seeds: Provide light
Stratify seeds: Stratifying seeds may improve germination, but is not required
Suitable for wintersowing
Sow in situ
Will not come true from seed
Propagation: Other methods: Offsets
Containers: Suitable in 1 gallon
Suitable in 3 gallon or larger
Needs excellent drainage in pots
Miscellaneous: Monocarpic

Image
Common names
  • Houseleek
  • Hen and Chicks

Photo Gallery
Location: Fairfax, VA
Location: SunZone 6a
Date: 2016-08-01
Location: Cotati, CA
Date: 2021-11-30
sempervivum kosaninii
Location: Fairfax, VA | June, 2022
Location: Fairfax, VA
Location: Fairfax, Virginia (April 2022)
Date: 2022-04-29
Location: Fairfax, VA | July, 2022
Location: Fairfax, VA
Location: SunZone 6a
Date: 2016-07-01
Location: South Jordan, Utah, United States
Date: 2020-04-01
Location: South Jordan, Utah, United States
Date: 2019-11-06
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Date: 2009-01-16
Photo by Ghislain Chenais

Photo by Cillas
Location: Botanical Garden Meise (Belgium)
Location: Fairfax, VA | June, 2022

Photo by Ghislain Chenais
Location: Botanical Garden Meise (Belgium)
Location: Fairfax, Virginia (May 2022)
Date: 2022-05-20
Location: Fairfax, Virginia (May 2022)
Date: 2022-05-14
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