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| Category: Succulent |
| Family: Crassulaceae (Stonecrops) |
| Origin: Europe, Southern (Europe) |
| Evergreen: Yes |
| Flower Color: Pink |
| Bloomtime: Spring/Summer |
| Height: <1 foot |
| Width: Clumping |
| Exposure: Sun or Shade |
| Irrigation (H2O Info): Low Water Needs |
| Winter Hardiness: < 0 °F |
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Sempervivum 'Ruby' PP33,074 (SuperSemp® Ruby Houseleek) - A hardy and attractive succulent with symmetrical tight rosettes up to 8 inches wide by 4 to 6 inches tall with year round dark maroon coloration when grown in full sun - new leaves emerge greenish but redden up rapidly and when grown in shade it remains more green. 'Ruby' was selected for its large central rosette with fewer offsets and fewer flowers, but it does produce a few small rosettes (the chicks) around the periphery of the larger main one (the hen) and older plants can also produce clusters of reddish-purple star-shaped flowers that rise up on short stalks in early summer. Plant in full sun or light shade (protect from intense sun inland) in a sandy well-drained soil. Requires little water. A great plant in rock crevices, a small scale groundcover or in containers. Hardy well below 0°F – listed to USDA zone 4. This cultivar was selected by Volkmar Schara at his Sempervivumgarten in Herrieden, Ansbach, Germany whose breeding program started in 1996 with the goal of producing colorful varieties which form uniform large fast-growing rosettes and with minimal production of offsets and flowers. 'Ruby' was selected in 2014 a as seedling from seeds that resulted from the open pollination of Sempervivum 'Zundflamme'. It was selected for its rapid production of very large rosettes of red or red-purple colored foliage. Sempervivum is a genus of about 40 species that grow naturally from in northern African and south west Asia from Morocco and the northeastern Sahara Desert east to Iran and in Eurasia from the mountains of the Iberian Peninsula east to Armenia. The name for the genus comes from the Latin words 'semper' meaning "always" and 'vivus' meaning "living" in reference to the long living nature of these plants. Specific epithet is from this plants habitat in mountainous regions. The common name Hen and Chicks comes from the plants having a larger central rosette with smaller ones surrounding while the names Houseleek or Roof House Leek comes from the ancient practice of planting these plants on the thatched roofs of houses to prevent roof fires caused by lightning. The alternate common name of Hen and Chicks is because the older center plant in a clump is larger and surrounded by smaller plants. This plant received US Plant Patent PP33,074 in May 2021 and is marketed in the U.S. by PlantHaven.
This information about Sempervivum 'Ruby' PP33,074 displayed is based on research conducted in our horticultural library and from reliable online resources. We also will relate observations made about it as it grows in our nursery gardens and other gardens we have visited, as well how the crops have performed in containers in our nursery field. We will also incorporate comments that we receive from others and we welcome hearing from anyone with additional information, particularly if they can share any cultural information that would aid others in growing it.
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