Photo by Melody

PlantFiles: Orostachys
Orostachys aggregata

Family: Crassulaceae (krass-yoo-LAY-see-ee) (Info)
Genus: Orostachys (or-oh-STAK-iss) (Info)
Species: aggregata (ag-GRE-gat-uh) (Info)

Synonym:Sedum aggregatum

3 members have or want this plant for trade.

Cactus and Succulents

under 6 in. (15 cm)

9-12 in. (22-30 cm)

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)

Sun Exposure:
Full Sun

Unknown - Tell us

Bloom Color:
Unknown - Tell us

Bloom Time:
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Other details:
Unknown - Tell us

Soil pH requirements:
Unknown - Tell us

Patent Information:

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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By estrail1rider
Thumbnail #1 of Orostachys aggregata by estrail1rider

By sladeofsky
Thumbnail #2 of Orostachys aggregata by sladeofsky


1 positive
No neutrals
No negatives

Gardeners' Notes:

Positive promethean_spar On Jan 9, 2010, promethean_spar from Union City, CA wrote:

Grows well in CA, heat and cold are not a problem - however slugs and snails seem to like the Orostachys that lack pointy leaves.

In winter when exposed to frost the outer leaves will die and the core of the rosette will curl into a tight ball and stay that way until opening up in spring. They look pretty ratty compared to semperviviums in winter, but don't get burned to the ground like sedums. This species grows best in cool weather and appears dormant mid-summer, it grows all winter long when protected from frost in a greenhouse, even with lows in the 20's. Frost appears to trigger them to curl up and go dormant.

Orostachys aggregata produces large numbers of offsets at the base of the parent plant, resulting in tight clusters. Offsets are easy to remove and root readily.

Orostachys are monocarpic (a rosette dies in flowering), so it is important to keep plants and offsets of different ages to avoid losing them to flowering.


This plant has been said to grow in the following regions:

Taylorsville, Kentucky

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