Oenothera speciosa 'Rosea' is a showy perennial featuring masses of large, saucer-shaped, pale pink flowers adorned with bright white stigmas and yellow center. They rise on erect to sprawling stems atop rosettes of oblong to lance-shaped, toothed, medium green leaves. Blooming profusely from late spring to midsummer, the flowers open in the evening and remain open until late morning.