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 |
| H2 |
| Temperature (°C) |
| -15 - 10 |
| Temperature (°F) |
| 5 - 50 |
| Height |
| 0.1 - 0.5 m |
| Spread |
| 0.1 m |
Photographs
Cultivars
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Awards
Description and Growing Information
Flowering Period
| 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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