Missouri Evening Primrose (Oenothera macrocarpa)

Missouri Evening Primrose

Also known as: Fluttermill, Ozark Sundrop

Missouri Evening Primrose (Oenothera macrocarpa) is an herbaceous perennial sometimes used in alpine, wildflower and rock gardens. It can also be used as a ground cover. Sphinx moths pollinate its flowers, which bloom late spring through summer. Native to the southern and central United States.

Scientific classification

Species

Missouri Evening Primrose (Oenothera macrocarpa)

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Perennial

Lifespan

Herb

Plant Type

Spring, Summer, Fall

Bloom Time

15 cm to 30 cm

Plant Height

30 cm to 45 cm

Spread

Green

Leaf Color

8 cm

Flower Size

Yellow

Flower Color

Green, Yellow

Stem Color

Images of Missouri Evening Primrose

Distribution of Missouri Evening Primrose

Distribution Map

Missouri Evening Primrose is native to Central North America where it naturally thrives. It has also established a presence in various temperate regions across the globe. While not prolific, it has been introduced to parts of Europe as an ornamental plant. Missouri Evening Primrose has adapted well outside its native range, often finding habitats in cultivation due to its appealing aesthetic qualities.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Limestone glades and bluffs, roadsides, rocky prairies and hillsides

Hemisphere Trend Curve

Northern

Sorthern

Culture

Symbolism

Evening: inconstancy

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Care Guide for Missouri Evening Primrose

Every week

Water

Full sun

Sunlight

5 - 32 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Missouri Evening Primrose thrives in well-drained soils of North American prairies, preferring moderate moisture but tolerating short dry spells. Weekly watering keeps the soil moist without being waterlogged. As a xeriscape plant, deep watering promotes root growth and resilience during the growing season.

Fertilize: Fertilize missouri Evening Primrose with balanced, low-nitrogen or high-phosphorus fertilizers every 4-6 weeks during the growing season. Benefits include enhanced blooming and plant health. Water before and after application, and adjust quantities seasonally to avoid over-fertilization and ensure even soil incorporation.

Pruning: Missouri Evening Primrose features large yellow flowers and a spreading habit. Prune in early to late spring by cutting back spent blooms and damaged stems to encourage growth. Pruning above leaf nodes promotes health and compact shape, improves air circulation, and enhances blooming while reducing disease risk.

Propagation: Missouri Evening Primrose is propagated by collecting mature seeds post-bloom. Sow seeds in well-drained soil in a sunny spot, covering lightly. Maintain slight moisture for germination. Handle seedlings carefully during transplanting to avoid disturbing their roots, as missouri Evening Primrose is sensitive to root disturbance.

Repotting: Repot missouri Evening Primrose every 2-3 years in spring using well-draining soil. It thrives in shallow pots. Provide full sun and moderate watering post-repotting to prevent rot. Although low-maintenance, missouri Evening Primrose benefits from extra care during recovery for optimal blooming.

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Images of Missouri Evening Primrose

Distribution of Missouri Evening Primrose

Culture

Care Guide for Missouri Evening Primrose

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