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Crocosmia 'Emberglow'

montbretia 'Emberglow'

© RHS
Sold by 48 nurseries

  • Other common names montbretia 'Emberglow'

  • Family Iridaceae

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

  • Details 'Emberglow' is a cormous perennial to 75cm tall, with narrow leaves and branched spikes of curved, funnel-shaped deep red flowers to 8cm long in summer

Characteristics

  • Foliage Deciduous

  • Habit Bushy

  • Hardiness

    Hardiness ratings

    All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

    • H1a - Under glass all year (>15C)
    • H1b - Can be grown outside in the summer (10 - 15)
    • H1c - Can be grown outside in the summer (5 - 10)
    • H2 - Tolerant of low temperatures, but not surviving being frozen (1 to 5)
    • H3 - Hardy in coastal and relatively mild parts of the UK (-5 to 1)
    • H4 - Hardy through most of the UK (-10 to -5)
    • H5 - Hardy in most places throughout the UK even in severe winters (-15 to -10)
    • H6 - Hardy in all of UK and northern Europe (-20 to -15)
    • H7 - Hardy in the severest European continental climates (< -20)

    H4

Colour

Sunlight

  • Full Sun

  • Partial Shade

  • Aspect South-facing or East-facing or West-facing

  • Exposure Exposed

Soil

  • Sand

    Sand

  • Chalk

    Chalk

  • Clay

    Clay

  • Loam

    Loam

  • MoistureMoist but well-drained

  • SoilSand, Chalk, Clay, Loam

  • pHAlkaline, Acid, Neutral

Size

  • Ultimate height 0.5-1 metres

  • Ultimate spread 0-0.1 metre

  • Time to ultimate height 2-5 years

How to grow

Cultivation Grow in a moderately fertile, humus-rich soil that is moist but well-drained. Thrives in sun or partial shade.

Propagation Propagate by division in spring just before growth starts

Suggested planting locations and garden types Banks and Slopes Flower borders and beds Garden Edging City & Courtyard Gardens Coastal Cottage & Informal Garden Patio & Container Plants

How to care

Pruning No pruning required

Pests Prone to glasshouse red spider mite

Diseases Generally disease free

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