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BulbsHerbaceous Perennial

Crocosmia × crocosmiiflora 'Carminea'

A cormous, clump forming, herbaceous perennial with an upright growing habit up to 90cm tall when in flower. It has healthy, mid-green, blade-like leaves and strong, arching flower stems that bear orange-red tubular flowers, with orange-yellow throats, from mid-summer to autumn

Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Orange Red Yellow Green
Autumn Orange Red Yellow Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or East–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H4
Botanical details
Family
Iridaceae
Native to the UK
No
Foliage
Deciduous
Habit
Clump forming, Columnar upright
Genus

Crocosmia are deciduous cormous perennials with erect, sword-shaped leaves and branched spikes of showy, funnel-shaped flowers in summer

Name status

Unresolved

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How to grow

Cultivation

This species is listed on Schedule 9 of the UK Wildlife and Countryside Act as an invasive, non-native species. While this does not prevent it from being sold in the UK, or from being grown in gardens, the RHS encourages those that do grow it to take great care with managing it and with disposing of unwanted material. The RHS also encourages gardeners to find alternative plants to grow to those listed on Schedule 9. For suggested alternative plants see the Plantlife/RHS guide: Gardening without harmful invasive plants

Propagation

Propagate by division in early spring when clumps become congested or Propagate by seed sown in containers in a cold frame as soon as ripe

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Prairie planting
  • Coastal
  • Low Maintenance
  • Banks and slopes
  • Cut flowers
  • Flower borders and beds
  • Wall side borders
Pruning

No pruning required, except the removal of dead leaves and flower stems before new growth starts in spring

Pests

May be susceptible to glasshouse red spider mite

Diseases

Generally disease-free

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