Data specific to Sempervivum (Edit)
Hybrid: Yes
Hybridizer: BETTY Z. BRONOW
Country of Origin: (US) United States
Year of registration: 1976
Other Details: Part of the 'Lord of the Rings' series.
History of species or Cultivar: SEMPERVIVUM (S. 'Collage' × S. ? )
Size: Small 1/2" to 2 1/2"
Medium 2 1/2" to 4"
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.
Foliage: Other: Olive-green base leaves ring a rose-red cup. Good substance, form and color.
Water: Very low
Does not like wet feet
Uses: Accent
Pests and Diseases: Pest resistant
Source: Cavendish Perennials

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
Flowers: Showy
Flower Time: Summer
Late summer or early fall
Other: It may be several years before it blooms
Suitable Locations: Xeriscapic
Uses: Provides winter interest
Wildlife Attractant: Bees
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
Parentage: Collage x n/a

Trade name information:
Series: Lord of the Rings
Cultivar name: 'Butterbur'
Common names
  • Hen and Chicks
  • Houseleek
  • Live Forever

Photo Gallery
Location: No. CA zone 9b
Date: 2014-10-03
Fall coloring
Location: Washington 8b
Date: 2017-08-04

Date: 2016-08-23
Location: Seattle WA 
Date: 2016-09-08
  • Uploaded by gg5
Location: Western Washington
Date: 2015-12-04

S. 'Butter Burr' August 2010
Location: Massachusetts garden
Date: May 19, 2019
spring color, rosette on the left is a maturing chick
Location: Washington 8b
Date: 2017-07-14
Location: Germany, Mecklenburg-Vorpommern
Date: 2008-07-12

Date: 2016-04-14

Photo courtesy of Erwin Geiger,, Nursery Sempervi
Location: Pacific Northwest, zone 8
Date: 2013-10-11

2.17.11 - SE (Middle,TN) Zone 6a - New
Location: Germany, Bavaria
Date: 2011-05-04
Photo courtesy of Beatrix Bodmeier, Bavaria/Germany

Date: 2011-05-15
Photo courtesy of Martha Cochran, North Hills Nursery
Location: Washington 8b
Date: 2017-05-19

Date: Jun 11, 2011
Photo courtesy of Erwin Geiger,, Nursery Sempervi

Date: Jun 16, 2004
Photo courtesy of Erwin Geiger,, Nursery Sempervi
Location: zone 5 Denver, CO
Date: 2011-05-12
Source: North Hills Nursery

Date: Jun 11, 2011
Photo courtesy of Erwin Geiger,, Nursery Sempervi
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