About
A clump-forming perennial to 60cm tall with evergreen, basal winter rosettes and upright, flowering stems bearing lance-shaped leaves to 8cm long that turn red in autumn. Bright yellow, cup-shaped flowers to 2.5cm across open during the day from red-tinged buds.
About the genus
Oenothera can be annuals, biennials or perennials, upright or spreading in habit, with simple or lobed leaves and bowl-shaped, white, yellow or pink flowers over a long period in summer
Growing conditions
SunlightFull sun
Soil typeChalk, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureWell-drained, Moist but well-drained
AspectSouth-facing, West-facing, East-facing
ExposureSheltered
UK hardinessH5
Plant details
Plant typeHerbaceous Perennial
HabitClump forming
FoliageEvergreen
Height0.5-1 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCottage and informal garden, Gravel garden, Prairie planting, Wildlife gardens
Care notes
CultivationGrow in well-drained soil in full sun
PruningNo pruning required
PropagationPropagate by division in early spring, or by softwood cuttings of unflowered shoots from late spring to midsummer
Pest resistanceMay be susceptible to slugs and aphids
Disease resistanceGenerally disease-free but may be susceptible to leaf spot, powdery mildews and downy mildews; may be susceptible to root rot in rich, wet, heavy soil