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Sempervivum 'Rubikon Improved'

 
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Family: Crassulaceae (krass-yoo-LAY-see-ee) (Info)
Genus: Sempervivum (sem-per-VEE-vum) (Info)
Cultivar: Rubikon Improved

Category:
Alpines and Rock Gardens
Cactus and Succulents

Height:
under 6 in. (15 cm)

Spacing:
12-15 in. (30-38 cm)

Hardiness:
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)

Sun Exposure:
Full Sun

Danger:
N/A

Bloom Color:
Rose/Mauve

Bloom Time:
Unknown - Tell us

Foliage:
Grown for foliage
Evergreen
Burgundy
Shiny/Glossy-Textured
Succulent

Other details:
This plant is suitable for growing indoors
Drought-tolerant; suitable for xeriscaping
This plant is monocarpic
Provides winter interest
Suitable for growing in containers

Soil pH requirements:
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Non-patented

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Click thumbnail
to view:

By Old_Farmer
Thumbnail #1 of Sempervivum  by Old_Farmer

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorComment
Positive Old_Farmer On Nov 12, 2006, Old_Farmer from Rock Cave, WV (Zone 5b) wrote:

This is a good red, showing some red year round. Average size 2-3 inches diameter 3/4th inches high.



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