Crocosmia 'Fireworks' — Clump forming, Columnar upright

Overview

Crocosmia 'Fireworks' is a clump forming, columnar upright bulbs in the genus Crocosmia, part of the Iridaceae family, with deciduous foliage. Crocosmia 'Fireworks' grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H4. Suggested uses include city and courtyard gardens, cottage and informal garden and prairie planting.

About

Crocosmia 'Fireworks' is a cultivar of Crocosmia, a genus of perennial plants in the Iridaceae family known for their upright, sword-like foliage and branched flower spikes with vibrant, funnel-shaped blooms in summer. This clump-forming, columnar upright herbaceous perennial dies back in winter and thrives in well-drained, moist soil with full sun or partial shade. Suitable for a variety of garden settings including city and courtyard gardens, cottage and informal gardens, and prairie planting, it is hardy to UK zone H4 and can be propagated by division or seed sown in a cold frame.

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: Exposed, Sheltered
UK hardiness: H4

Plant details

Crocosmia 'Fireworks' size, habit and characteristics

Plant type: Bulbs, Herbaceous Perennial
Habit: Clump forming, Columnar upright
Foliage: Deciduous
Suggested uses: City and courtyard gardens, Cottage and informal garden, Prairie planting

Care notes

Pruning and caring for Crocosmia 'Fireworks'

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
Pest resistance: May be susceptible to glasshouse red spider mite
Disease resistance: Generally disease-free

Frequently asked questions

Where is the best place to plant Crocosmia 'Fireworks'?

Crocosmia 'Fireworks' prefers full sun and partial shade. It suits exposed and sheltered positions.

What soil does Crocosmia 'Fireworks' need?

Crocosmia 'Fireworks' 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 'Fireworks' hardy in the UK?

Crocosmia 'Fireworks' has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.

How do I propagate Crocosmia 'Fireworks'?

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.

More in the Crocosmia genus

Browse all Crocosmia →