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Perennials, Tropicals > Astrophytum > Astrophytum myriostigma > Astrophytum myriostigma

Astrophytum myriostigma


Bishop's Cap




Origin:  North-eastern Mexico.
Family
Cactaceae
Genus
Astrophytum
Species
myriostigma
Category
Perennials, Tropicals
USDA Hardiness Zone
8a - 11b
Canadian Hardiness Zone
Cool season protection under glass.
RHS Hardiness Zone
H4 - H1c
Temperature (°C)
-15 - 10
Temperature (°F)
5 - 50
Height
0.1 - 0.5 m
Spread
0.1 m
Photographs
Description and Growing Information
Flowering Period
JuneJuly
General Description
A small perennial cacti, particularly distinct and fine-flowered that tends to hybridize freely in cultivation.
Landscape
Specimen, patio and container plants.
Cultivation
Grow in full sun, watering lightly in growing season but keeping dry when dormant.
Shape
Shortly columnar.
Growth
Slow
Pests
Mealybugs.
Bark/Stem Description
Scales are usually dense, and rarely absent, with 3 - 5 (or occasionally more) ribs.
Flower Description
Flowers are 4 - 6 cm in diameter.
Fruit Description
Fruit splits apically.
Colour Description
Scales are chalky white. Flowers are usually entirely yellow (some variations have red or orange throats).
Notable Specimens
Royal Botanical Gardens, Burlington, Ontario, Canada. Centennial Conservatory, Thunder Bay, Ontario, Canada.
Propagation
Propagate by seed in early spring.
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