Oenothera rhombipetala (Diamond-petaled Evening Primrose)
Oenothera rhombipetala (Diamond-petaled Evening Primrose)
70 (100)cm, Diamond-petaled Evening Primrose is a biannual with a basal leaf rosette in the first year and an upright stem with rich yellow flowers with diamond-like petals in the second year. For any rich, very well drained, preferably slightly rocky or sandy soil in full sun. Will readily self sow under suitable conditions. VI-VII.More Details »