Data specific to Sempervivum (Edit)
Hybridizer: picked up in nature by Otokar Cmiral
Country of Origin: (CZ) Czech Republic
Year of registration: 1979
Origin of name: named by Ben J.M. Zonneveld (NL) 1983
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
Does not like wet feet
Uses: Accent
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
Other: It may be several years before it blooms
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
Child plants: one child plant

Common names
  • Hen and Chicks
  • Houseleek
Also sold as:
  • 'Cmíral's Yellow'
  • 'Yellow Form'

Photo Gallery
Location: Germany
Date:  Jun 14, 2004
Photo courtesy of Erwin Geiger,, Nursery Sempervi
Location: Germany, Mecklenburg-Vorpommern
Date: 2011-04-15

Date: 2016-05-05

Date: 2016-04-14
Location: Germany
Date:  Jun 20, 2010
Photo courtesy of Erwin Geiger,, Nursery Sempervi
Location: Bavaria, Southern Germany
Date: Summer 2016

Date: 2015-05-08

Date: 2017-05-28
Close-up of stamen and immature pistils

Date: 2017-05-28
Close-up of stamen and mature pistils
Location: Germany
Date: Aug 30, 2003
Photo courtesy of Erwin Geiger,, Nursery Sempervi
Location: Germany
Date: May 2004
Photo taken at Kevin Vaughn's garden
  • Posted by laszloszakszon (Budapest, Hungary) on Nov 14, 2013 2:57 AM concerning plant:
    This year I have bought this kind of Sempervivum 'Cmíral Yellow "(20 pieces)
    I wonder what will be the spring colors. And have a nice yellow. No big small rosette. Unfortunately no photos yet. This year has brought a lot of drive.
  • Posted by valleylynn (Oregon City, OR - Zone 8b) on Jul 3, 2012 5:37 PM concerning plant:
    Otokar Cmiral / CZ / 1979 / nominated by Ben Zonneveld, p = wettsteinii ssp wettsteinii 'Cmiral's Yellow' / syn. S.montanum S. montanum var Carpaticum x 'Yellow Form' / the roses are yellow in spring, but later go on to green Cmiral Otakar wrote in the Sempervivum Fanciers Association Newsletter Vol. . IX, no. 3 - September 1985: "In normal green in 1979, I found the yellow form of S. montanum ssp carpathicum in the Valley of the Low Tatras Demaenovska mountainss It was growing in a group of what were others of the color The original third.. yellow plants that I collected then multiplied to 18 in 1980, and 6 of them flowered at the beginning of June. It was interesting to note that these yellow plants flowered approximately 14 days earlier than the normal green ones. I grew the seeds that were harvested in the spring of 1981st From the seedlings, I selected new plants, the color varied from dark green Of which through light green to yellow-orange. I have selected 10 plants for further study. Some of them were sent to my friend, Ed Skrocki, in the United States, and, through him, the plants were distributed to others and then sent to Great Britain. "
Discussion Threads about this plant
Thread Title Last Reply Replies
Source by clintbrown Mar 11, 2013 10:05 PM 3

« 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 Zoia and is called "Purple Wedding"

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