| Common Name | Missouri Evening Primrose |
| Family | Onagraceae |
| Genus | Oenothera |
| Species | Macrocarpa |
| Origin | USA / North America |
| Blooming | Large yellow flowers open at dusk, summer to early fall |
| Leaf Color | Green / Grey-green |
| Sunlight | Sun |
| Category | Outdoor plants |
| Pet Friendly | Yes |
Well-drained sandy or loamy soil; tolerates poor and dry conditions
Moderate during establishment, drought tolerant once mature; avoid waterlogging
Full sun preferred for maximum blooming; partial shade in extreme heat
Low fertility needs; apply balanced slow-release fertilizer in spring before flowering
Deadhead spent flowers to encourage rebloom; cut back foliage in late autumn
These are the insects and pathogens that commonly interact with this plant, including pests, parasites, and organisms typically associated with its care.
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