Oenothera macrocarpa subsp. incana 'Silver Blade'
An herbaceous perennial to 15cm in height, with trailing leafy stems to 30cm in length. Leaves are silvery-grey and narrowly oblong. The flowers are solitary, 8cm in width, bright yellow, appearing from late spring to early autumn
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Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Well–drainedpH
Neutral, AlkalineColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Yellow | Grey Silver | ||
|---|---|---|---|---|
| Summer | Yellow | Grey Silver | ||
| Autumn | Yellow | Grey Silver | ||
| Winter |
Position
- Full sun
Aspect
South–facing or East–facing
Exposure
Exposed or ShelteredDrought resistance
Yes Hardiness
H5Botanical details
- Family
- Onagraceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Bushy, Trailing
- 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
Grow in poor to moderately fertile, well-drained soil in full sun; ideal for stony soil. Protect from excessive winter wet
Propagation
Propagate by division in early spring or take softwood cuttings of non-flowering shoots from late spring to midsummer
Suggested planting locations and garden types
- Cottage and informal garden
- City and courtyard gardens
- Gravel garden
- Mediterranean climate plants
- Patio and container plants
- Wildlife gardens
- Low Maintenance
- Flower borders and beds
- Garden edging
- Ground cover
Pruning
No pruning required
Pests
May be susceptible to damage by slugs
Diseases
Susceptible to leaf spots, mildews and root rot
Get involved
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