Eremurus 'Charleston'

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<em>Eremurus</em> 'Charleston' RHS
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A tuberous plant with fleshy, octopus-shaped roots to around 130cm in height and strap-like blue-green foliage. Tall spikes of hundreds of tiny lemon-yellow flowers, which bloom from the base of the spikes upwards, appear from June to July

Position

Full sun

Soil Types

Chalk, Loam, Sand

Size

Time to Maturity
2–5 years

Growing Conditions

Chalk Loam Sand
Moisture
Well–drained
pH
Alkaline or Neutral

Position

Full sun
Aspect
South–facing or West–facing
Exposure
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
Drought Resistance
Yes

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asphodelaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Clump forming, Columnar upright
Genus
Eremurus are herbaceous perennials growing from fleshy roots, with rosettes of strap-shaped basal leaves and a dense racemes of small star-shaped flowers on erect leafless stems
Name Status
Accepted

How to Grow

Cultivation

Grow in fertile, sandy, very well-drained soil in full sun, with shelter from strong winds. Plant in a deep, wide hole for optimum growth. Mulch with garden compost in autumn, but avoid covering the crown. Young spring growth can be protected with a dry mulch such as grit or gravel. See Eremurus cultivation

Propagation

Propagate by seed by sowing in containers in a cold frame in autumn or at 15°C (59°F) in late winter. Can also be propagated by division after flowering

Suggested planting locations and garden types

  • Architectural
  • City and courtyard gardens
  • Cottage and informal garden
  • Flower borders and beds

Pruning

No pruning requirred

Pests

May be susceptible to slugs

Diseases

Generally disease-free