Crinum americanum
Florida Swamp Fly, Southern Swamp Fly, Spider Lily
| Family |
| Amaryllidaceae |
| Genus |
| Crinum |
| Species |
| americanum |
| Category |
| Bulbs, Perennials, Tropicals |
| USDA Hardiness Zone |
| 8 - 11 |
| Canadian Hardiness Zone |
| Requires cold season protection under glass. |
| RHS Hardiness Zone |
| H1c to H5 |
| Temperature (°C) |
| -15 - 10 |
| Temperature (°F) |
| 5 - 50 |
| Height |
| 0.6 - 0.9 m |
| Spread |
| 0.3 - 0.6 m |
| Landscape |
| Moist to wet areas of the landscape including water gardens, pond peripheries, borders and foundation areas. |
| Cultivation |
| Best grown in full sun to part shade with wet, organically rich soils. Will also grow in standing water up to 2 m. Will also perform well in moderately moist soils in gardens. |
| Growth |
| Fast |
| Pests |
| Grasshoppers, mealybugs, nematodes, slugs, snails and leaf scorch. |
| Habitat |
| Wetlands, swamps, marshes, wet hammocks and stream banks. |
| Flower Description |
| Showy, fragrant and similar to lilies in appearance, 10 cm wide and 10 cm long. Scapes are leafless, 60 - 90 cm long and have umbels with 2 - 6 flowers each. |
| Colour Description |
| Flower petals are white or blushed pink, with stamps that are pink to red. |
| Notable Specimens |
| Centennial Conservatory, Thunder Bay, Ontario, Canada. |
| Propagation |
| Division of bulb clumps and seed. |