Data specific to Sempervivum (Edit)
Hybrid: Yes
Hybridizer: Nicholas Moore
Country of Origin: (UK) United Kingdom
Year of registration: 1960
Soil type: Dry
Well draining
Loamy / Medium
Sandy / light
Other: The soil type will depend on what your weather conditions are like. Just make sure it drains well.
Water: Very low
Average
Does not like wet feet
Uses: Accent
Containers
Pests and Diseases: Pest resistant

General Plant Information (Edit)
Plant Habit: Cactus/Succulent
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Minimum cold hardiness: Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Leaves: Evergreen
Flowers: Showy
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
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
Trade name information:
Trade Name: Nightwood
Cultivar name: 'Nightwood'
Common names
  • Hen and Chicks
  • Houseleek

Photo Gallery
Location: Kevin Vaughn's garden
Date: March 2016
Location: in our collection
Date: 2022-08-20
Comments:
  • Posted by valleylynn (Oregon City, OR - Zone 8b) on Sep 9, 2014 11:32 AM concerning plant:

    Description of S. 'Nightwood' as given in The Sempervivum Society Journal Volume 7 (1976), No. 2:

    "Growing to quite a size this hybrid has a tight central bud of incurved leaves, the tips of which are reflexed and have a minute tuft of hairs. Colour is greyed purple."

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