Oenothera macrocarpa (Ozark Sundrops)
Ozark Sundrops, Oenothera Missouriensis, Missouri Evening Primrose, Missouri Primrose
This showy evening primrose, is a sprawling perennial that will turn heads. Oenothera macrocarpa (Ozark Sundrops) is packed with very large, mildly fragrant, bright yellow flowers that rise atop a foliage of narrow lance-shaped leaves with conspicuous silvery midribs. Blooming profusely from late spring to early fall, the flowers open for only one day, usually late afternoon and wither the next day. They are followed by very distinctive seed pods bearing 4 papery wings, ready to be blown out by the wind.
- Winter hardy, this low-growing perennial grows only 6-12 in. tall (15-30 cm) and spreads 12-18 in. (30-45 cm).
- Best in full sun in dry to medium, well-drained soils. Tolerates poor soils, drought and light shade.
- Recipient of the prestigious Award of Garden Merit of the Royal Horticultural Society
- Great choice for rock gardens, cottage gardens, city gardens, Mediterranean gardens, edging, groundcover, banks and slopes, or containers. Deer resistant!
- Propagate by seed sown in pots in a cold frame in early spring
- Native to Mexico and the south-central United States.
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Requirements
Hardiness | 3
– 7 |
---|---|
Heat Zones | 3
– 8 |
Climate Zones | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 |
Plant Type | Perennials |
Plant Family | Oenothera - Primroses - Sundrops |
Exposure | Full Sun |
Season of Interest |
Spring (Late) Summer (Early,Mid,Late) Fall |
Height | 6" – 1' (15cm – 30cm) |
Spread | 1' – 2' (30cm – 60cm) |
Spacing | 12" – 18" (30cm – 45cm) |
Water Needs | Low, Average |
Maintenance | Low |
Soil Type | Chalk, Loam, Sand |
Soil pH | Acid, Alkaline, Neutral |
Soil Drainage | Well-Drained |
Characteristics | Fragrant, Plant of Merit, Showy |
Native Plants | United States, Midwest, Illinois, Kansas, Missouri, Nebraska, Southeast, Arkansas, Tennessee, Southwest, Oklahoma, Texas |
Tolerance | Clay Soil, Drought, Dry Soil, Rocky Soil |
Garden Uses | Banks and Slopes, Edging, Ground Covers, Patio and Containers |
Garden Styles | City and Courtyard, Gravel and Rock Garden, Informal and Cottage, Mediterranean Garden |
Great Plant Combination Ideas with Oenothera - Primroses - Sundrops
Gerry Bishop, Shutterstock
While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.
Requirements
Hardiness | 3
– 7 |
---|---|
Heat Zones | 3
– 8 |
Climate Zones | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 |
Plant Type | Perennials |
Plant Family | Oenothera - Primroses - Sundrops |
Exposure | Full Sun |
Season of Interest |
Spring (Late) Summer (Early,Mid,Late) Fall |
Height | 6" – 1' (15cm – 30cm) |
Spread | 1' – 2' (30cm – 60cm) |
Spacing | 12" – 18" (30cm – 45cm) |
Water Needs | Low, Average |
Maintenance | Low |
Soil Type | Chalk, Loam, Sand |
Soil pH | Acid, Alkaline, Neutral |
Soil Drainage | Well-Drained |
Characteristics | Fragrant, Plant of Merit, Showy |
Native Plants | United States, Midwest, Illinois, Kansas, Missouri, Nebraska, Southeast, Arkansas, Tennessee, Southwest, Oklahoma, Texas |
Tolerance | Clay Soil, Drought, Dry Soil, Rocky Soil |
Garden Uses | Banks and Slopes, Edging, Ground Covers, Patio and Containers |
Garden Styles | City and Courtyard, Gravel and Rock Garden, Informal and Cottage, Mediterranean Garden |
Great Plant Combination Ideas with Oenothera - Primroses - Sundrops