Sea Urchin Cactus, Sand Dollar Cactus, Star Cactus

Astrophytumasterias f. cristata

Family
Cactaceae (kak-TAY-see-ee)
Genus
Astrophytum (ass-troh-FY-tum)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Light Shade
Height
under 6 in. (15 cm)
6-12 in. (15-30 cm)
Spacing
6-9 in. (15-22 cm)
9-12 in. (22-30 cm)
Hardiness
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Bloom Color
Inconspicuous/none
Bloom Time
N/A
Other Details
Category
Cactus and Succulents
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Can be grown as an annual
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
From woody stem cuttings
Allow cut surface to callous over before planting
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

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Gardener's Notes:

0
positive
0
neutral
0
negative
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