Overview
Geum calthifolium subsp. nipponicum is a cushion or mound forming herbaceous perennial in the genus Geum, part of the Rosaceae family, with semi-evergreen foliage. Geum calthifolium subsp. nipponicum grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H7. Suggested uses include gravel, rock, beds and borders, cottage/informal and low maintenance.
About
Geum calthifolium subsp. nipponicum is a herbaceous perennial cultivar within the Geum genus, known for its rhizomatous growth and pinnately lobed basal foliage. This semi-evergreen plant forms a cushion or mound habit and produces saucer-shaped blooms in loose clusters during spring and summer. It thrives in full sun or partial shade and adapts well to various soil types, including chalky, loamy, and sandy soils, with a preference for moist but well-drained conditions. Hardy to UK zone H7, it suits exposed or sheltered sites and is ideal for gravel, rock gardens, beds, borders, and informal cottage-style planting.
Growing conditions
Best soil and position for Geum
- Sunlight
- Full sun, Partial shade
- Soil type
- Chalky, Loamy, Sandy
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained, Well-drained
- Aspect
- East, West, South
- Exposure
- Exposed, Sheltered
- UK hardiness
- H7
Plant details
Geum calthifolium subsp. nipponicum size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Cushion or Mound Forming
- Foliage
- Semi-evergreen
- Suggested uses
- Gravel, Rock, Beds and borders, Cottage/Informal, Low Maintenance
Care notes
Pruning and caring for Geum calthifolium subsp. nipponicum
- Propagation
- Division
- Pest resistance
- Glasshouse red spider mite, Aphids, Sawflies
- Disease resistance
- Powdery mildews
Frequently asked questions
Where is the best place to plant Geum calthifolium subsp. nipponicum?
Geum calthifolium subsp. nipponicum prefers full sun and partial shade. It suits exposed and sheltered positions.
What soil does Geum calthifolium subsp. nipponicum need?
Geum calthifolium subsp. nipponicum is adaptable and grows happily in most soil types, including chalky, loamy and sandy. It is happy in soil of any pH. Aim for soil that stays moist but well-drained to well-drained.
Is Geum calthifolium subsp. nipponicum hardy in the UK?
Geum calthifolium subsp. nipponicum has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.
How do I propagate Geum calthifolium subsp. nipponicum?
Division.
More in the Geum genus
- Geumavens
- Geum 'Bell Bank'Avens
- Geum aleppicumyellow avens
- Geum calthifolium
- Geum japonicum
- Geum magellanicumhierba del clavo
- Geum radiatum
- Geum rivalewater avens
