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Seaside evening-primrose
Oenothera humifusa

Copyright by: Shirley Denton

General Landscape Uses: Primarily recommended for natural landscapes and habitat restorations.

Ecological Restoration Notes: An empheral groundcover in open areas in beach dune and coastal strand.

Availability: Grown by enthusiasts.

Description: Small creeping herbaceous wildflower.

Dimensions: About 3-6 inches in height. Spreading and forming small, open patches.

Growth Rate: Moderate.

Range: Eastern and southeastern United States west along the coasts to Louisiana and south to Miami-Dade and Collier counties; Bermuda and Cuba.

Plant Map Map of select IRC data from peninsular Florida.

 Map of ZIP codes with habitat recommendations north to Martin and Charlotte counties.

Habitats: Open coastal uplands.

Soils: Moist, well-drained sandy soils, without humus.

Nutritional Requirements: Low; it grows in nutrient poor soils.

Salt Water Tolerance: Low; does not tolerate long-term flooding by salt or brackish water.

Salt Wind Tolerance: Secondary line; tolerates significant salt wind without injury, but usually is somewhat protected.

Drought Tolerance: High; does not require any supplemental water once established.

Light Requirements: Full sun.

Flower Color: Yellowish-orange.

Flower Characteristics: Showy but small.

Flowering Season: All year; peak spring-summer.

Fruit: Inconspicuous linear capsule. All year.

Horticultural Notes: Can be grown from seed.

References: Miami-Dade County Landscape Manual (2005).

Copyright by: Shirley Denton

Copyright by: Shirley Denton

Other data on Oenothera humifusa available from:

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