Crocosmia paniculata 'Cally Greyleaf'

RHS Plant Profile

montbretia 'Cally Greyleaf'

RHS

Synonyms

Curtonus paniculata 'Cally Greyleaf'

Bulbs Herbaceous Perennial

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A clump-forming, cormous perennial with relatively broad, pleated, grey-green leaves to about 1.2m high. Long, branched sprays of slender, dark orange flowers are produced on dark stems in mid- to late summer

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

1-1.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.1-0.5 metres
Max Height: 1-1.5 metres

Growing Conditions

Chalk Clay Loam Sand

Moisture: Moist but well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun Partial shade

Aspect: South–facing or East–facing or West–facing
Exposure: Exposed or Sheltered
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): H5

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Iridaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Clump forming
Genus: Crocosmia are deciduous cormous perennials with erect, sword-shaped leaves and branched spikes of showy, funnel-shaped flowers in summer
Name Status: Accepted

How to Grow

Cultivation

Grow in a moderately fertile, humus-rich soil that is moist but well-drained. Thrives in sun or partial shade. Mulch first winter. In colder areas prone to periods of prolonged frost protect with dry mulch such as bark. Has the potential to become a nuisance in some gardens if not managed well

Propagation

Propagate by division in spring just before growth starts, plant corms 8-10cm deep

Suggested planting locations and garden types

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

Pruning

Cut back faded foliage in autumn or spring

Pests

May be susceptible to glasshouse red spider mite

Diseases

Generally disease-free