Overview

Sanguinaria canadensis 'Star' is a matforming herbaceous perennial in the genus Sanguinaria, part of the Papaveraceae family, with deciduous foliage. Sanguinaria canadensis 'Star' grows best in full sun and partial shade, and tolerates clay and loam soils and any pH. Its UK hardiness is rated H5. Suggested uses include cottage and informal garden, rock garden, underplanting of roses and shrubs and flower borders and beds.

About

Sanguinaria canadensis 'Star' is a matforming cultivar of the Sanguinaria genus, which comprises herbaceous perennials growing from rhizomes. This deciduous plant features the genus's characteristic kidney-shaped, lobed blue-green leaves and produces cup-shaped white flowers in spring alongside the foliage. It thrives in fertile, moist but well-drained clay or loam soils with a range of pH levels, preferring sheltered positions with full sun to partial shade, ideally facing east, south, or west. Hardy to UK zone H5, it is suitable for cottage and informal gardens, rock gardens, flower borders, and underplanting of roses and shrubs.

Growing conditions

Best soil and position for Sanguinaria

Sunlight

Full sun, Partial shade

Soil type

Clay, Loam

Soil pH

Acid, Alkaline, Neutral

Soil moisture

Moist but well-drained

Aspect

East-facing, South-facing, West-facing

Exposure

Sheltered

UK hardiness

H5

Plant details

Sanguinaria canadensis 'Star' size, habit and characteristics

Plant type

Herbaceous Perennial

Habit

Matforming

Foliage

Deciduous

Suggested uses

Cottage and informal garden, Rock garden, Underplanting of roses and shrubs, Flower borders and beds

Care notes

Pruning and caring for Sanguinaria canadensis 'Star'

Propagation

Division in autumn or spring, Seed in autumn; germination can be erratic over the following 2 years

Pest resistance

Generally pest-free

Disease resistance

Generally disease-free

Frequently asked questions