Oenothera caespitosa
Tufted Evening Primrose
| Family |
| Onagraceae |
| Genus |
| Oenothera |
| Species |
| caespitosa |
| Category |
| Perennials, Weeds |
| USDA Hardiness Zone |
| 4 - 8 |
| Canadian Hardiness Zone |
| 2a - 7a |
| RHS Hardiness Zone |
| H5 - H7 |
| Temperature (°C) |
| -34 - (-9) |
| Temperature (°F) |
| -30 - 15 |
| Height |
| 15 - 60 cm |
| Spread |
| 30 - 60 cm |
| Landscape |
| This plant is great for rock gardens and best planted where it can be seen in evenings or early mornings, since the flowers bloom at night. |
| Cultivation |
| Full sun exposure in well-drained soil. |
| Growth |
| Medium |
| Flower Description |
| White flowers that bloom at night. |
| Fruit Description |
| 2.5 cm long capsule. |
| Notable Specimens |
| Desert Botanical Gardens, Phoenix, Arizona, United States of America. |
| Propagation |
| From seed. |