Oenothera berlandieri 'Siskiyou'
white evening primrose 'Siskiyou'
A low-growing, spreading perennial to around 50cm tall forming dense mats covered with lance-shaped, toothed leaves. Fragrant, saucer-shaped, dark-veined, dark pink flowers are borne from summer into autumn
Synonyms
Oenothera berlandieri 'Siskiyou'Oenothera pallida 'Siskiyou'
see moreOenothera rosea 'Siskiyou'
Oenothera 'Siskiyou'
Oenothera 'Siskiyou Pink'
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Pink | Green | ||
| Autumn | Pink | Green | ||
| Winter |
Position
- Full sun
Aspect
South–facing or East–facing or West–facing
Exposure
Exposed or ShelteredDrought resistance
Yes Hardiness
H5Botanical details
- Family
- Onagraceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Matforming
- 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
- Name status
Accepted
How to grow
Cultivation
Grows well in average to rich, well-drained soil in full sun or light shade
Propagation
Propagate by division in early spring, or by softwood cuttings of unflowered shoots from late spring to midsummer
Suggested planting locations and garden types
- Cottage and informal garden
- Gravel garden
- Prairie planting
- Coastal
- Wildlife gardens
- Ground cover
Pruning
No pruning required but can be cut back after flowering to encourage new growth and flowers
Pests
Diseases
May be susceptible to leaf spot, powdery mildews and downy mildews; root rot may be a problem in rich, wet, heavy soil but generally disease-free
Get involved
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