Oenothera macrocarpa

Missouri Evening Primrose, Big Fruit Evening Primrose, Ozark Sundrops

Family: Onagraceae Evening Primrose


Type Perennial
USDA Hardiness range 4A - 9A
Exposure Partial shade to full sun
Bloom color Yellow
Bloom time Mid Spring to Mid Fall
Water needs Dry
Landscape uses Border, container, rock garden, seashore, specimen
Height 9" to 18" / 25cm to 45cm
Spread 12" to 16" / 30cm to 40cm
Growth rate Moderate
Persistence Deciduous
Bloom attributes Fragrant flowers
Leaf color Green
Fruit color n/a
Soil pH requirements Neutral, alkaline
Soil type Sandy, loamy
Form Spreading or horizontal
Attributes and features Native to North America, naturalizing