Perennials, Tropicals > Mammillaria > Mammillaria spinosissima > Mammillaria spinosissima
Mammillaria spinosissima
Red-Headed Irishman, Spiny Pin Cushion Cactus
Origin: Mexico.
| Family |
| Cactaceae |
| Genus |
| Mammillaria |
| Species |
| spinosissima |
| Category |
| Perennials, Tropicals |
| USDA Hardiness Zone |
| 11a |
| Canadian Hardiness Zone |
| Cool season protection under glass. |
| RHS Hardiness Zone |
| H1 |
| Temperature (°C) |
| 10 |
| Temperature (°F) |
| 40 |
| Height |
| 30 cm |
| Spread |
| 10 cm |
Photographs
Cultivars
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Description and Growing Information
Flowering Period
| Landscape |
| In arid rock gardens, in a potted succulent collection, as a potted patio plant or as a solitary potted specimen. |
| Cultivation |
| Plant in extremely well-drained loamy or clay soil under full sun. Repot every winter. |
| Shape |
| Columnar. |
| Growth |
| Slow |
| ID Characteristic |
| Reddish-brown spikes, hence the common name. |
| Habitat |
| Dry plains and rocky arid hillsides. |
| Bark/Stem Description |
| Long spines accompanied by pale and thin fibres. Smooth fleshy succulent surface. |
| Flower Description |
| Showy blooms appear in a crown formation around the top of the cactus. |
| Colour Description |
| Violet to fuchsia blooms. Dark reddish-brown spines and light tan to white fuzzy fibres. Dark green flesh. |
| Texture Description |
| Spiky. |
| Propagation |
| By cuttings or seed. |
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