Gaura lindheirmeri 'Cool Breeze' is a named garden cultivar in the genus Oenothera (family Onagraceae). It is valued for its extended summer display, flowering from June to September. The plant is supplied under this cultivar name and should be identified by the full botanical label. Growers and buyers commonly choose it where a prolonged bloom period is wanted through the summer months.

Gaura lindheirmeri 'Cool Breeze' flowers from June to September and is sold as a named Oenothera cultivar for extended summer display.

Gaura was a genus of flowering plants in the family Onagraceae, native to North America. The name was derived from Greek γαῦρος (gaûros) meaning "superb" and named in reference to the stature and floral display of some species in this genus.

Gaura lindheirmeri 'Cool Breeze'

Oenothera fruticosa 'Michelle Ploeger' is an erect herbaceous perennial in the Onagraceae that bears saucer-shaped yellow flowers. Plants typically reach about 0.2–0.9 m and have alternate, simple leaves on a softly pubescent stem. Flowering runs from June to September. The cultivar derives from a species native to open sites in eastern North America.

Oenothera fruticosa 'Michelle Ploeger' produces yellow flowers from June to September and suits sunny, open sites.

Oenothera fruticosa 'Michelle Ploeger'

Oenothera fruticosa 'Michelle Ploeger' | Summer yellow

Oenothera lindheimeri Baby Butterfly Dark Pink ('Uriblbp'PBR) is a named cultivar in the genus Oenothera (family Onagraceae) noted in its name for Dark Pink blooms. Flowering runs in the UK from June to September. Plants are sold under the breeder code 'Uriblbp'PBR, so follow supplier guidance for specific care.

Oenothera lindheimeri Baby Butterfly Dark Pink ('Uriblbp'PBR) flowers in the UK from June to September; check supplier notes for cultivation details.

Oenothera lindheimeri Baby Butterfly Dark Pink ('Uriblbp'PBR) (G)

Oenothera missouriensis is a perennial in the evening primrose family native to the south-central United States and northeast Mexico and noted for summer flowering. It flowers from June to September. The plant performs best in full sun on south-facing, open sites with calcareous, well-drained, alkaline soils and tolerates dry to medium soil moisture. Suitable uses include rock gardens, xeriscaping and wildflower plantings where lime-rich ground is available.

Missouri evening primrose (Oenothera missouriensis) flowers from June to September and prefers south-facing, well-drained alkaline soil.

https://en.wikipedia.org/wiki/Oenothera_macrocarpa

Oenothera is a genus of about 160 species of herbaceous flowering plants native to the Americas. The genus includes common evening primrose, sundrops and gaura.

Oenothera missouriensis

Missouri evening primrose | Oenothera missouriensis

Oenothera odorata is a fragrant perennial in the genus Oenothera that reaches about 0.9 m tall. It produces a run of summer flowers from June to September. Plants prefer a sunny site in sandy or loamy, well-drained soil and keep reasonably moist without waterlogging. Native to South America, it suits open, sunny positions where its scented blooms can be appreciated.

Oenothera odorata is a fragrant perennial reaching about 0.9 m, flowering June to September in full sun on well-drained sandy or loamy soil.

https://en.wikipedia.org/wiki/Oenothera_odorata

Oenothera odorata

Primrose | Oenothera odorata

Oenothera tetragona is a perennial evening primrose that flowers from June to September and carries a mild scent. It originates from eastern North America and belongs to the Onagraceae family. Suited to full sun or partial shade, it prefers moist, well-drained soils and is fully hardy in the UK (H7). Planting it in a position that balances moisture with drainage helps it maintain a long flowering period.

Glaucous evening primrose (Oenothera tetragona) is a fully hardy perennial that flowers June to September and has a mild fragrance.

https://en.wikipedia.org/wiki/Oenothera_tetragona

Oenothera tetragona

Glaucous evening primrose | Oenothera tetragona

Oenothera tetragona 'Fyrverkeri' is a perennial evening primrose in the Onagraceae that provides summer flowering. It blooms from June to September. The plant prefers full sun or partial shade in well-drained soil with moderate moisture. It is rated H5 (hardy) and is suitable for borders and pollinator gardens.

Oenothera tetragona 'Fyrverkeri' is a perennial evening primrose that flowers June to September and suits full sun or partial shade in well-drained soil.

Oenothera tetragona 'Fyrverkeri'

Evening Primrose | Oenothera tetragona 'Fyrverkeri'

Oenothera tetragona 'Lady Brookborough' is a perennial in the Onagraceae with a mild floral fragrance and a sustained summer flowering period. It blooms from June to September and suits full sun or partial shade. The plant prefers well-drained soil that is neutral to alkaline and of medium moisture. Its H5 rating means it is hardy in much of the UK.

Oenothera tetragona 'Lady Brookborough' is a perennial primrose for full sun or partial shade, flowering June to September with a mild fragrance.

Oenothera tetragona 'Lady Brookborough'

Primrose | Oenothera tetragona 'Lady Brookborough'

Oenothera tetragona 'Yellow River' is a perennial in the Onagraceae family that flowers from June to September. It originates from eastern North America and carries a mild floral scent. Plant it in full sun or partial shade where soil is well drained and neutral to alkaline. It is rated H5 (hardy) for UK gardens and suits borders and wildlife areas.

Oenothera tetragona 'Yellow River' is a hardy perennial evening primrose flowering June to September with a mild fragrance in well-drained neutral to.

Oenothera tetragona 'Yellow River'

Evening Primrose | Oenothera tetragona 'Yellow River'

Oenothera tetragona fraseri is a perennial in the Onagraceae (evening primrose) that flowers in the UK from June to September and carries a mild scent. It prefers a sunny or partly shaded spot in well-drained neutral to alkaline soil and moderate moisture. Fully hardy in the UK (H7), it is suited to outdoor borders and wildlife gardens. Plants characteristically provide a summer-long sequence of blooms rather than a single brief flush.

Glaucous Evening Primrose (Oenothera tetragona fraseri) is a fully hardy perennial that flowers June to September and suits well-drained, neutral to.