Oenothera macrocarpa
Ozark sundrops
An herbaceous perennial to 15cm in height, with trailing leafy stems to 30cm in length. Leaves narrowly oblong, with conspicuous silvery midribs; flowers solitary, 10-12cm in width, bright yellow, appearing from late spring to early autumn
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
°Â±ð±ô±ô–d°ù²¹¾±²Ô±ð»åpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Yellow | Green | ||
|---|---|---|---|---|
| Summer | Yellow | Green | ||
| Autumn | Yellow | Green | ||
| Winter |
Position
- Full sun
Aspect
South–facing or ·¡²¹²õ³Ù–f²¹³¦¾±²Ô²µ
Exposure
Exposed Hardiness
H5Botanical details
- Family
- Onagraceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- 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
Correct
- Plant range
- USA, Mexico
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 seed sown in pots in a cold frame in early spring
Suggested planting locations and garden types
- Cottage and informal garden
- Gravel garden
- Patio and container plants
- City and courtyard gardens
- Rock garden
- Mediterranean climate plants
- Wildlife gardens
- Garden edging
- Banks and slopes
- Flower borders and beds
Pruning
No pruning required
Pests
Damage by slugs may be a problem
Diseases
Prone to leaf spots, mildews and root rot
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