Overview
Geranium clarkei 'Mount Stewart' 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 clarkei 'Mount Stewart' 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 clarkei 'Mount Stewart' is a cultivar of the Geranium genus, which includes a diverse range of annual, biennial, and perennial plants. This cultivar forms clumps and mats with trailing, carpet-forming growth. It features light green, dissected foliage and thrives in full sun on well-drained, neutral loam soil. Suitable for sheltered, south-, west-, or east-facing aspects, it is hardy to UK zone H5. 'Mount Stewart' is well suited to borders, cottage gardens, rock gardens, woodland beds, and containers, and it flowers in summer.
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 clarkei 'Mount Stewart' 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 clarkei 'Mount Stewart'
- 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 clarkei 'Mount Stewart'?
Geranium clarkei 'Mount Stewart' prefers full sun. It suits sheltered positions.
What soil does Geranium clarkei 'Mount Stewart' need?
Geranium clarkei 'Mount Stewart' grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.
Is Geranium clarkei 'Mount Stewart' hardy in the UK?
Geranium clarkei 'Mount Stewart' 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 clarkei 'Mount Stewart'?
Seed, Division, Cuttings.
More in the Geranium genus
- Geranium 'Brookside'Geranium
- Geranium 'Copper Tiger'Hardy Geranium
- Geranium 'Nimbus'Geranium
- Geranium 'Orion'
- Geranium 'Patricia'
- Geranium 'Purple Rain'cranesbill 'Purple Rain'
- Geranium 'Red Dwarf'
- Geranium 'Rozanne'
