Sulphur cinquefoil
About This Species
Sulphur cinquefoil (Rough-fruited cinquefoil) is a long-lived perennial native to Europe and Asia. It invades grasslands, dry open forests, and disturbed sites such as roadsides and rangelands. A single plant can produce up to 1,600 seeds, living up to 20 years as new shoots can emerge from the main root. Sulphur cinquefoil is designated as a Regional Noxious Weed by the BC Weed Control Act, as well as a Management species by the BC Provincial Priority Invasive Species List.
How to Identify
Sulphur cinquefoil is an herbaceous plant that can grow from 0.3-0.8 m tall.
It has pale yellow flowers, each with 5 heart-shaped petals.
Leaves are hairy and divided into 5-7 separate toothed leaflets, arranged in a palm-like formation.
Similar species: It is often confused with the native Graceful cinquefoil (Potentilla gracilis), which is shorter and has white wooly hair on the underside of the leaves.
Take Action
Prevention is the best approach.
- Sulphur cinquefoil Factsheet PDF
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If you need advice about invasive species on your property or you are concerned about reported invasives in your local area, contact your local government or regional invasive species organization.
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