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botanical name:
Orostachys spinosa
Orostachys spinosa © Deeproot Plant Base
common name:  Dunce's Caps
synonyms:  Orostachys erubescens, Sedum spinosum, Sedum erubescens
family:  Crassulaceae
characteristics: perennial, evergreen
height: 0.08m
width: 0.25m
growth rate: very slow
growth habit: mounding
leaf colour: grey-green
flower colour: yellow
main season: All Year
aspect: full sun
conditions: dry soil, sandy soil
preferred soil pH: any
minimum temp: -40°C
USDA zone: 2 to 8
Small, succulent, rosette-forming alpine. Grey-green fleshy leaves arranged in a symmetrical crowded pattern around the rosettes. Very slow gowing. Racemes of small insignificant greenish yellow flowers produced on short stems from the centre of the rosettes in late summer. They are monocarpic and die after flowering, but new offset rosettes are usually developed first.

Sharply drained soil in full sun. Very cold hardy but dislikes excessive winter wet.

From seed or separated offsets.

Alpine gardens and containers

other notes:
Native to Siberia, Mongolia and central Asia, found on dry rocky slopes.
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