Overview
Geranium 'Robin's Black Heart' 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 'Robin's Black Heart' 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 'Robin's Black Heart' 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, trailing to create a carpet-like effect with light to bright green, dissected foliage. It thrives in full sun on well-drained, neutral loam soil and is hardy in UK conditions (H5). Suitable for borders, cottage and rock gardens, woodland beds, and containers, it prefers a sheltered aspect facing south, west, or east and offers summer interest.
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 'Robin's Black Heart' 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 'Robin's Black Heart'
- 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 'Robin's Black Heart'?
Geranium 'Robin's Black Heart' prefers full sun. It suits sheltered positions.
What soil does Geranium 'Robin's Black Heart' need?
Geranium 'Robin's Black Heart' grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.
Is Geranium 'Robin's Black Heart' hardy in the UK?
Geranium 'Robin's Black Heart' 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 'Robin's Black Heart'?
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'