Geranium pratense var. stewartianum 'Purple Silk' — Clump-forming, Mat-forming, Trailing, Carpet-forming

Overview

Geranium pratense var. stewartianum 'Purple Silk' is a clump-forming, mat-forming, trailing, carpet-forming herbaceous perennial in the genus Geranium, part of the Geraniaceae family, with light green, bright green, silvery, dissected, patterned foliage. Geranium pratense var. stewartianum 'Purple Silk' grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H5. Suggested uses include borders, cottage gardens, rock gardens, woodland beds and containers.

About

Geranium pratense var. stewartianum 'Purple Silk' is a cultivar of the Geranium genus, which includes a range of herbaceous and evergreen plants with rounded, often palmately lobed leaves and five-petalled flowers arranged loosely. This cultivar forms clumps and mats, featuring light to bright green, silvery, and dissected foliage. It thrives in full sun on well-drained, neutral loam soil and is hardy to UK zone H5. Suitable for borders, cottage gardens, rock gardens, woodland beds, and containers, it flowers in spring and summer and prefers a sheltered position with a south, west, or east-facing aspect.

Growing conditions

Best soil and position for Geranium

Sunlight: Full sun
Soil type: Loam
Soil pH: Neutral
Soil moisture: Well-drained
Aspect: South-facing, West-facing, East-facing
Exposure: Sheltered
UK hardiness: H5

Plant details

Geranium pratense var. stewartianum 'Purple Silk' size, habit and characteristics

Plant type: Herbaceous Perennial
Habit: Clump-forming, Mat-forming, Trailing, Carpet-forming
Foliage: Light green, Bright green, Silvery, Dissected, Patterned
Suggested uses: Borders, Cottage gardens, Rock gardens, Woodland beds, Containers

Care notes

Pruning and caring for Geranium pratense var. stewartianum 'Purple Silk'

Propagation: Seed, Division, Cuttings
Pest resistance: Aphids, Vine weevil, Caterpillars, Thrips
Disease resistance: Grey moulds

Frequently asked questions

Where is the best place to plant Geranium pratense var. stewartianum 'Purple Silk'?

Geranium pratense var. stewartianum 'Purple Silk' prefers full sun. It suits sheltered positions.

What soil does Geranium pratense var. stewartianum 'Purple Silk' need?

Geranium pratense var. stewartianum 'Purple Silk' grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.

Is Geranium pratense var. stewartianum 'Purple Silk' hardy in the UK?

Geranium pratense var. stewartianum 'Purple Silk' has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.

How do I propagate Geranium pratense var. stewartianum 'Purple Silk'?

Seed, Division, Cuttings.

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