Calylophus hartwegii

Hartweg's Sundrops

Family: Onagraceae Evening Primrose

Type Perennial
USDA Hardiness range 8B - 10B
Exposure Partial shade to full sun
Bloom color Yellow
Bloom time Mid Summer
Water needs Dry
Landscape uses Border, ground cover
Height 12" to 18" / 30cm to 45cm
Spread n/a
Growth rate Moderate
Leaf color Green
Fruit color n/a
Soil pH requirements Neutral
Soil type Sandy
Form Irregular or sprawling
Attributes and features Native to North America