Overview
Crocosmia 'Rose Seedling' is a clump forming bulbs in the genus Crocosmia, part of the Iridaceae family, with deciduous foliage. Crocosmia 'Rose Seedling' grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H5. Suggested uses include flower borders and beds, cut flowers, cottage and informal garden, architectural, coastal and wall side borders.
About
Crocosmia 'Rose Seedling' is a clump-forming herbaceous perennial bulb belonging to the Iridaceae family. Like other Crocosmia, it features upright, sword-like foliage that dies back in winter and produces branched flower spikes with vibrant, funnel-shaped blooms in summer. This cultivar thrives in full sun or partial shade, preferring moist but well-drained soils across a range of types and pH levels. Hardy to UK zone H5, it suits sheltered, south-, east-, or west-facing aspects and is ideal for flower borders, beds, and informal garden settings.
About the genus
Crocosmia, also known as montbretia, is a small genus of flowering plants in the iris family, Iridaceae. It is native to the grasslands of southern and eastern Africa, ranging from South Africa to Sudan. One species is endemic to Madagascar.
Wikipedia contributors, "Crocosmia", CC BY-SA 4.0 — Crocosmia
Growing conditions
Best soil and position for Crocosmia
- Sunlight
- Full sun, Partial shade
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, East-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H5
Plant details
Crocosmia 'Rose Seedling' size, habit and characteristics
- Plant type
- Bulbs, Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Deciduous
- Suggested uses
- Flower borders and beds, Cut flowers, Cottage and informal garden, Architectural, Coastal, Wall side borders
Care notes
Pruning and caring for Crocosmia 'Rose Seedling'
- Propagation
- Division, Seed
- Pest resistance
- Susceptible to glasshouse red spider mite
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Crocosmia 'Rose Seedling'?
Crocosmia 'Rose Seedling' prefers full sun and partial shade. It suits sheltered positions.
What soil does Crocosmia 'Rose Seedling' need?
Crocosmia 'Rose Seedling' is adaptable and grows happily in most soil types, including chalk, clay, loam and sand. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.
Is Crocosmia 'Rose Seedling' hardy in the UK?
Crocosmia 'Rose Seedling' 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 Crocosmia 'Rose Seedling'?
Division, Seed.
More in the Crocosmia genus
- Crocosmia masonorumMontbretia

- Crocosmia × crocosmiiflora 'A. E. Amos'Montbretia

- Crocosmia × crocosmiiflora 'Aurore'Montbretia

- Crocosmia × crocosmiiflora 'Carmin Brilliant'Montbretia

- Crocosmia × crocosmiiflora 'Emily McKenzie'montbretia 'Emily McKenzie'

- Crocosmia × crocosmiiflora 'Firebird'Montbretia

- Crocosmia × crocosmiiflora 'Golden Glory'Montbretia

- Crocosmia × crocosmiiflora 'His Majesty'montbretia 'His Majesty'
