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Plant Families / Oenothera - Primroses - Sundrops

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Oenothera - Primroses - Sundrops

Adding color to beds and borders, Oenothera are easy-to-grow annual or perennial wildflowers. Sundrops (Oenothera fruticosa) bloom in daylight, while the flowers of Evening Primroses (Oenothera speciosa) open at dusk. Rising above basal rosettes of narrow leaves in late spring and midsummer, the delicate, saucer-shaped flowers glow in the summer garden in cheery yellow, pink or white. Great elements for summer borders or wildflower gardens where they nourish butterflies and bees. After they have faded, many mark their passing with a burst of richly colored fall leaves.

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Oenothera biennis (Common Evening Primrose)

Fragrant and showy, Oenothera biennis (Common Evening Primrose) is an erect biennial featuring large, bowl-shaped, lemon-scented, yellow flowers, up to 2 in. across (5 cm), at the top of a stiff, purple-tinged flower stem.

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Oenothera caespitosa (Tufted Evening Primrose)

Oenothera caespitosa (Tufted Evening Primrose) is a perennial or biennal boasting charming rosettes of lance-shaped, fuzzy, blue-green leaves, 4 in. long (10 cm). Erect flower buds give way to large, fragrant, white flowers, 2-3 in. wide (5-7 cm), adorned with contrasting yellow stamens. They open in late afternoon, continue into the night and close the next morning.

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Oenothera fruticosa (Sundrops)

One of the prettiest species of the genus, Oenothera fruticosa (Sundrops) is an upright clump-forming biennial or perennial boasting showy clusters of large, saucer-shaped, bright yellow flowers, 2 in. across (5 cm), atop reddish, slender, hairy stems clad with lance-shaped green leaves.

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Oenothera macrocarpa (Ozark Sundrops)

This showy evening primrose, is a sprawling perennial that will turn heads. It is packed with very large, mildly fragrant, bright yellow flowers that rise atop a foliage of narrow lance-shaped leaves with conspicuous silvery midribs.

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Oenothera speciosa 'Rosea' (Evening Primrose)

Oenothera speciosa 'Rosea' (Evening Primrose) is a showy perennial featuring masses of large, 2 in. across (5 cm), saucer-shaped, pale pink flowers adorned with bright white stigmas and a yellow center. They rise on erect to sprawling stems atop rosettes of oblong to lance-shaped, toothed, medium green leaves.

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Oenothera speciosa 'Siskiyou' (Evening Primrose)

Compact and floriferous, Oenothera speciosa 'Siskiyou' (Evening Primrose) is a neat perennial featuring masses of large, 2 in. across (5 cm), saucer-shaped, rose-pink flowers adorned with a white center and a greenish yellow throat.

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Oenothera speciosa (Evening Primrose)

Vigorous and showy, Oenothera speciosa (Evening Primrose) is a sprawling perennial featuring masses of fragrant, bowl-shaped, satiny white flowers, with the delicate texture of crumpled silk. Large, 2-3 in. wide (5-7 cm), the pretty flowers age to rose-pink with deeper pink veining.

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