Potentilla 'Arc-en-ciel'
cinquefoil 'Arc-en-ciel'
A herbaceous perennial forming a clump of dark green, palmate, strawberry-like leaves, with stems to 45cm, bearing loose clusters of dark red semi-double to double flowers with thin yellow edges to the petals which widen as the flowers age. A long-flowering and reasonably upright selection
Buy this plant
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Red Yellow | Green | ||
| Autumn | ||||
| Winter |
Position
- Full sun
- Partial shade
Aspect
South–facing or West–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H6Botanical details
- Family
- Rosaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- Potentially harmful
- Fruit are ornamental - not to be eaten. Wear gloves and other protective equipment when handling
- Genus
Potentilla can be herbaceous perennials, deciduous shrubs, or annuals, with palmately or pinnately divided leaves and solitary or clustered, saucer-shaped, 5-petalled flowers appearing over a long period
- Name status
Accepted
How to grow
Cultivation
Grow in poor to moderately fertile, well-drained soil in full sun or partial shade
Propagation
Propagate by division in autumn or spring
Suggested planting locations and garden types
- Cottage and informal garden
- Gravel garden
- Flower borders and beds
- Ground cover
- Banks and slopes
- Underplanting of roses and shrubs
Pruning
Might die back naturally at the end of the season otherwise cut back stems that remain to ground level in spring
Pests
Generally pest-free
Diseases
May be susceptible to honey fungus
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.