Crocosmia 'Tamar Glow'

RHS Plant Profile

montbretia 'Tamar Glow'

Bulbs Herbaceous Perennial

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forms clumps of foliage and from midsummer into autumn produces arching, branched flower stems bearing up to 30 large red flowers with orange-yellow throats

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.1-0.5 metres
Max Height: 0.5-1 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): H4

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 fertile, humus-rich, moist but well-drained soil in full sun or partial shade. Deep planting or use of a thick, dry, organic mulch will help plants to overwinter in colder areas. Has the potential to become a nuisance in some gardens if not managed well

Propagation

Propagate by division of established clumps in spring

Suggested planting locations and garden types

City and courtyard gardens
Coastal
Cottage and informal garden
Flower borders and beds
Cut flowers
Wall side borders

Pruning

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

Pests

May be susceptible to glasshouse red spider mite

Diseases

Generally disease-free