Potentilla atrosanguinea (Dark crimson cinquefoil)

Botanical name

Potentilla atrosanguinea

Other names

Dark crimson cinquefoil, Himalyan cinquefoil, Ruby cinquefoil

Genus

Potentilla Potentilla

Species

P. atrosanguinea - P. atrosanguinea is a clump-forming, deciduous perennial with palmate leaves divided into three ovate to elliptic, toothed, silky-hairy, dark green leaflets and erect, wiry, branching stems bearing clusters of saucer-shaped, red, orange, or yellow flowers from summer into autumn.

Foliage

Deciduous

Habit

Clump-forming, Erect flower stem

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Colour

Flower

Orange, Red, Yellow in Summer; Red, Orange, Yellow in Autumn

Foliage

Dark-green in Spring

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How to care

Watch out for

Pests

Generally pest-free

Diseases

Generally disease-free

General care

Pruning

Remove faded flower stems to ground level.

Propagation

Sow seed May - July for flowering plants in May or June the following year. Surface sow & lightly cover with compost. Keep at 18C. Germinates in approx. 2 weeks. Pot on in late Aug - Sept. Or, sow in a cold frame in spring. Divide mature plants in spring.

Propagation methods

Division, Seed

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Monthly care advice

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Where to grow

Potentilla atrosanguinea (Dark crimson cinquefoil) will reach a height of 0.9m and a spread of 0.6m after 5-10 years.

Suggested uses

Beds and borders, City, Coastal, Cottage/Informal, Low Maintenance

Cultivation

Grow in poor to moderately fertile, well-drained soil in full sun. Flowers will last longer in moister soils.

Soil type

Chalky, Loamy, Sandy

Soil drainage

Moist but well-drained, Well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Full Sun

Aspect

South, East, West

Exposure

Exposed, Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

USDA zones

Zone 7, Zone 6, Zone 5

Defra's Risk register #1

Plant name

Potentilla atrosanguinea (Dark crimson cinquefoil)

Common pest name

grape ground pearl

Scientific pest name

Margarodes vitis

Type

Insect

Current status in UK

Absent

Likelihood to spread to UK (1 is very low - 5 is very high)

2

Impact (1 is very low - 5 is very high)

5

General biosecurity comments

Main pathway; Vitis spp. plants for planting; already prohibited. However; further consideration of other pathways is required.

Defra's Risk register #2

Plant name

Potentilla atrosanguinea (Dark crimson cinquefoil)

Common pest name

Lance nematode; Nematode; Lance

Scientific pest name

Hoplolaimus spp.

Type

Nematode

Current status in UK

Absent

Likelihood to spread to UK (1 is very low - 5 is very high)

2

Impact (1 is very low - 5 is very high)

4

General biosecurity comments

Nematode species potentially affecting a wide variety of crops; prohibition of soil likely to mitigate risk substantially; keep under review in light of interceptions or findings should they occur in the EU.

Defra's Risk register #3

Plant name

Potentilla atrosanguinea (Dark crimson cinquefoil)

Common pest name

Scientific pest name

Orgyia thyellina

Type

Insect

Current status in UK

Absent

Likelihood to spread to UK (1 is very low - 5 is very high)

3

Impact (1 is very low - 5 is very high)

3

General biosecurity comments

Polyphagous moth pest from Eastern Asia which could be damaging to broadleaf and coniferous species if introduced to the UK; as well as having human health impacts. The main pathway is likely to be on goods (including non-plant material) imported from Eastern Asia and awareness raising with the main industry sectors is recommended.

About this section

Our plants are under greater threat than ever before. There is increasing movement of plants and other material traded from an increasing variety of sources. This increases the chances of exotic pests arriving with imported goods and travellers, as well as by natural means. Shoot is working with Defra to help members to do their part in preventing the introduction and spread of invasive risks.

Traveling or importing plants? Please read "Don't risk it" advice here

Suspected outbreak? Click here for contact details to report to the relevant authority.

Date updated: 7^th March 2019 For more information visit: https://planthealthportal.defra.gov.uk/