Oenothera caespitosa (Tufted Evening Primrose)
Botanical Information
| Family | Onagraceae |
| Genus | Oenothera |
| Species | caespitosa |
| Category | Perennials, Wildflowers & Weeds |
| Origin | Western United States of America. |
Details
| USDA Hardiness Zone | 4 - 8 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 2a - 7a |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H5 - H7 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -34 - (-9) |
| Temperature (°F) | -30 - 15 |
| Height | 15 - 60 cm |
| Spread | 30 - 60 cm |
| Growth | Medium |
| Flowering Period | April, May, June, July |
Description and Growing Information
| 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. |
| Propagation | From seed. |
| Cultivation | Full sun exposure in well-drained soil. |
| Notable Specimens | Desert Botanical Gardens, Phoenix, Arizona, United States of America. |
| Flower Description | White flowers that bloom at night. |
| Fruit Description | 2.5 cm long capsule. |
Photographs
