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
Common names
  • Rollers
  • Roller
Botanical names
  • Accepted: Sempervivum globiferum subsp. hirtum
  • Synonym: Jovibarba hirta
  • Synonym: Jovibarba globifera subsp. hirta
  • Synonym: Jovibarba globifera subsp. borealis
  • Synonym: Jovibarba hirta subsp. adenophora
  • Synonym: Jovibarba hirta var. tatrense
  • Synonym: Jovibarba hirta subsp. neilreichii

Photo Gallery
Location: my garden, Utah
Date: 2016-04-29
Location: Zone 6 - New Jersey, USA
Date: Spring 2023
Location: Latvia University Botanical  gardens Riga
Date: 2018-09-11
Location: Pacific Northwest, zone 8
Date: Oct 2, 2012
Location: Pacific Northwest, zone 8
Date: Oct 2, 2012
Location: Suburban Denver, Colorado
Date: 2012-06-11
Jovibara Hirta Borealis with rollers newly planted
Location: My garden, Calgary, Alberta, Canada; zone 3.
Date: 2011-07-16

photo credit: H. Zell
Location: Pacific Northwest, zone 8
Date: Oct 2, 2012
Location: Dresden Botanical Garden 
Photo by Michael Wolf
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