Data specific to Sempervivum (Edit)
Hybridizer: Unknown

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
  • Hen & Chicks
  • Houseleek
Also sold as:
  • Atroviolaceum ll

Photo Gallery
Location: Washington
Date: 2016-07-24
Location: Washington
Date: 2016-05-22
Location: ,Front Royal,Va
Date: 2013-05-05
This is a hybrid version, not sure what the other parent was but
Comments:
  • Posted by Cahac (Front Royal, Va - Zone 6a) on May 6, 2013 8:27 PM concerning plant:
    This is my favorite Semp. Can get huge. I had one that was 14" across and completely clear plum color, but depending on the amount of sun it can range from plum color to an odd chocolate brown in full summer sun here in Va. The usual size here is 6/8", however. It is a really fast multiplier. This is truly "Super Semp." LOL!--cliff
  • Posted by valleylynn (Oregon City, OR - Zone 8b) on Sep 15, 2014 2:52 PM concerning plant:
    JungleShadows said:Lynn,

    I know this was discussed several pages ago but I can tell you that 'Atroviolaceum' was NOT hybridized by Mina Colvin. This was one that was found way back in Correvon's or Sanford's collection. The Heimlich form was from Heimlich's Nursery in Woburn, MA, probably some time in the early 60's. Mina's first two introductions were 'Raspberry Ice' and 'Silver Thaw'.

    It is unfortunate that there were so many things with the 'Atroviolaceum' tag. It would have been better to call the Heimlich plant just 'Heimlich'. The two look quite different.

    All of these should be pure tectorums so the one with pubescence sounds like a hybrid with montanum, not a pure tectorum.

    OK my two cents!

    Kevin

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