• 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

Crocus 'Ard Schenk'

crocus 'Ard Schenk'

crocus 'Ard Schenk'

© RHS

  • Other common names crocus 'Ard Schenk'

  • Synonyms Crocus chrysanthus 'Ard Schenk'

  • Family Iridaceae

  • Genus Crocus are dwarf, deciduous perennials growing from a corm, with linear leaves usually with a silvery central stripe, and goblet-shaped, sometimes fragrant flowers in autumn or early spring

  • Details 'Ard Schenk' bears large, white flowers in mid spring with a bright yellow base internally and a prominent orange-yellow stigma

Characteristics

  • Foliage Deciduous

  • Habit Tufted

  • 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 or West-facing or East-facing

  • Exposure Exposed or Sheltered

Soil

  • Chalk

    Chalk

  • Clay

    Clay

  • Sand

    Sand

  • Loam

    Loam

  • MoistureWell-drained

  • SoilChalk, Clay, Sand, Loam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height Up to 10 cm

  • Ultimate spread 0-0.1 metre

  • Time to ultimate height 2-5 years

How to grow

Cultivation A cormous plant that requires a well-drained and sunny situation. Plant 5-6cm deep in late summer or early autumn. You may feed after flowering when leaves are still in active growth

Propagation Remove cormlets when dormant or propagate by division

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

How to care

Pruning No pruning required

Pests Corms are vulnerable to mice, voles and squirrels

Diseases Generally disease free, though corms may rot in storage

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