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
Suitable for miniature gardens
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
Common names
  • Rollers
  • Roller
Botanical names
  • Accepted: Sempervivum globiferum subsp. allionii
  • Synonym: Jovibarba globifera subsp. allionii

Photo Gallery
Location: Arenas Valley, NM My Home
Date: 2018-04-23
Location: Arenas Valley, NM My Greenhouse
Date: 2018-03-08
Location: Pacific Northwest, zone 8
Date: 2014-06-20
Location: Arenas Valley, NM, My yard
Date: 2017-09-11
Location: Pacific Northwest zone 8
Date: May 14, 2011
Location: Pacific Northwest, zone 8
Date: May 27, 2013
Location: Pacific Northwest, zone 8
Date: May 5, 2012
Location: Pacific Northwest zone 8
Date: Jun 23, 2011
Location: Pacific Northwest zone 8
Date: Apr 12, 2011
Location: Pacific Northwest zone 8
Date: Sep 2, 2011
Location: Denver, CO
Date: 2011-11-22
New plant. Source: SMG
Location: Pacific Northwest zone 8
Date: Feb 8, 2011
Location: SE (Middle, TN zone 6a
Date: Mar 1, 2011
Location: Pacific Northwest, zone 8
Date: May 5, 2012
This plant is tagged in:
Image

« Add a new plant to the database

» Search the Sempervivum Database: by characteristics or by cultivar name

« See the general plant entry for Sempervivum

« Visit the Sempervivum forum

« The Sempervivum Database Front Page

« The Plants Database Front Page

Today's site banner is by Murky and is called "Water Lilies with a Happy Bee"

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.