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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 from the Monroe County Keys 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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