About
Sonnenwende' is an erect herbaceous perennial or biennial up to 60cm high with red-tinged stems, lance-shaped to ovate, toothed, purplish green leaves up to 11cm long, and red buds opening to golden yellow flowers, 2.5-5cm across, open during the day, from early to late summer.
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 moistureMoist but well-drained, Well-drained
AspectSouth-facing, West-facing, East-facing
ExposureExposed, Sheltered
UK hardinessH5
Plant details
Plant typeHerbaceous Perennial
HabitColumnar upright
FoliageDeciduous
Height0.5-1 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCity and courtyard gardens, Cottage and informal garden, Gravel garden, Prairie planting
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 resistanceMay be susceptible to leaf spot, powdery mildews and downy mildews; root rot may be a problem in rich, wet, heavy soil. Generally disease-free