• AGM plants

    AGM plants have been through a rigorous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Eremurus robustus

giant desert candle

AGM plants

AGM plants have been through a rigorous trial and assessment programme. They are:

  • Excellent for ordinary use in appropriate conditions
  • Available to buy
  • Of good constitution
  • Essentially stable in form & colour
  • Reasonably resistant to pests & diseases
giant desert candle

© RHS

  • Other common names giant desert candle
    foxtail lily

  • Family Asphodelaceae

  • 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

  • Details E.robustus is a large plant with rosettes of blue-green leaves to 1.2m long and 10cm wide. Flower spikes to 3m, individual flowers palest peachy-pink to 4cm across, the petals with brown-marked bases, stamens yellow. Attractive to butterflies

  • Plant range C Asia, Afghanistan

Characteristics

  • Foliage Deciduous

  • Habit Columnar/Upright

  • 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)

    H6

Colour

Sunlight

  • Full Sun

  • Aspect South-facing

  • Exposure Sheltered

Soil

  • Sand

    Sand

  • Chalk

    Chalk

  • Loam

    Loam

  • MoistureWell-drained

  • SoilSand, Chalk, Loam

  • pHAcid, Neutral, Alkaline

Size

  • Ultimate height 2.5-4 metres

  • Ultimate spread 1-1.5 metres

  • Time to ultimate height 2-5 years

How to grow

Cultivation Grow in fertile, sandy, well-drained loam in full sun, with shelter from wind. Mulch with garden compost in autumn, but avoid covering the crown. Young spring growth can be protected with a dry mulch

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 Banks and Slopes Flower borders and beds Cottage & Informal Garden Gravel Garden Mediterranean Climate Plants Prairie Planting

How to care

Pruning None required

Pests Slugs may cause damage

Diseases Usually trouble free

Did you find the information you were looking for?

RHS members can get exclusive individual advice from the RHS Gardening Advice team.

Join the RHS now

Get involved

We're a UK charity established to share the best in gardening. We want to enrich everyone's life through plants, and make the UK a greener and more beautiful place.