Oenothera includes annuals, biennials, and perennials that can grow upright or spread out. The plants feature either simple or lobed foliage and produce bowl-shaped flowers in white, yellow, or pink hues, which bloom throughout much of the summer.

Oenothera Siskiyou Improved

Oenothera acaulis

Oenothera acaulis 'Aurea'

Oenothera affinis

Oenothera albicaulis

Oenothera alpina

Oenothera ammophila

Oenothera anomala (G)

Oenothera argillicola

Oenothera biennis is typically cultivated as a biennial, reaching heights of up to 1.5 meters. This plant forms a substantial rosette of oblong, mid-green leaves that are slightly sticky and feature red veins. During summer and autumn, it produces elongated racemes adorned with bowl-shaped yellow flowers that emit a pleasant fragrance and bloom in the evening. The seeds of this species are the source of evening primrose oil.

Oenothera biennis

Oenothera brachycarpa

Oenothera brevipes

Oenothera caespitosa

Oenothera caespitosa pink-flowered

Oenothera caespitosa subsp. caespitosa

Oenothera caespitosa subsp. macroglottis

Oenothera caespitosa var. navajoensis

Oenothera californica

Oenothera californica subsp. californica

Oenothera californica subsp. evita

Oenothera cambrica

Oenothera cespitosa subsp. marginata

Oenothera chicaginensis

Oenothera coryi

Oenothera curtiflora (G)

Oenothera deep rose-flowered (G)

Oenothera deflexa

Oenothera deltoides

Oenothera deltoides var. howellii

Oenothera drummondii

Oenothera elata subsp. hirsutissima

Oenothera elata subsp. hookeri

Oenothera filiformis (G)

Oenothera flava

Oenothera flava subsp. taraxacoides

Oenothera fremontii 'Lemon Silver'

Oenothera from South America

Oenothera fruticosa is a perennial that forms dense clumps and sheds its leaves in winter. It features slender, vibrant green foliage and produces large, yellow blooms in summer that open during daylight hours instead of at night.

Oenothera fruticosa

Oenothera fruticosa 'African Sun' is a herbaceous perennial that reaches heights of up to 60 cm. It has a dense, rounded growth form and features slender green foliage. From early summer through early autumn, this plant produces yellow flowers that bloom during daylight hours.

Oenothera fruticosa 'African Sun'

Oenothera fruticosa 'Best Red'

Oenothera fruticosa 'Camel' (v)

Oenothera fruticosa 'Cuthbertson'

Oenothera fruticosa 'Fyrverkeri' is an upright perennial that reaches a height of up to 50 cm. It features elongated, bronze-tinged leaves situated on purplish stems. The plant produces clusters of vibrant yellow flowers, each measuring around 5 cm across, which emerge from reddish buds.

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