Missouri Evening Primrose
Oenothera macrocarpa
Perennial
Bloom
May — August
Color
Yellow
Height
8—12 inches
Spread
12—18 inches
Sun
Full sun (6+ hours)
Water
Low — drought tolerant
Offers cheerful bright yellow four-petaled flowers on a low, spreading mat of silvery-green foliage. The flowers release a sweet fragrance in the evening, attracting nocturnal pollinators. Once established, it requires virtually no supplemental water. The plant's low profile and long bloom season make it an excellent choice for rock gardens and dry borders.
Growing conditions
- Soil: Well-draining, sandy/rocky
- Sun: Full sun (6+ hours)
- Water: Low — drought tolerant
- Drought tolerance: Excellent
- Hardiness: Colorado native / adapted · USDA Zones 4–7
Wildlife & ecology
- Pollinator value: High — butterflies, bees, moths
- Landscape use: Rock gardens, erosion control, dry borders, xeriscape edges.
Want Missouri Evening Primrose in your yard?
Xeris designs and installs native plant xeriscapes across Denver and the Front Range. We'll walk your site, assess soil and sun, and build a plan that thrives.
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