Colchicum 'Waterlily' (d)

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meadow saffron 'Waterlily'

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meadow saffron 'Waterlily' RHS 1998
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A cormous perennial to 12cm in height in flower, with fully double lilac-pink flowers about 8cm in length. Strap-shaped leaves appear after the flowers

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

Up to 10 cm

Max Spread

0-0.1 metre

Size

Time to Maturity
2–5 years
Max Spread
0-0.1 metre
Max Height
Up to 10 cm

Growing Conditions

Chalk Clay Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
North–facing or West–facing or South–facing or East–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

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Colchicaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Columnar upright
Potentially harmful
TOXIC if eaten. Wear gloves and other protective equipment when handling TOXIC to pets - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Genus
Colchicum are cormous perennials with usually coarse, broadly strap-shaped leaves which appear with or after the goblet-shaped flowers
Name Status
Accepted

How to Grow

Cultivation

Grow in moist but well-drained, deep, humus-rich, fertile soil. Intolerant of waterlogging

Propagation

Propagate by seed, sowing in containers in an open frame when ripe or separate corms when dormant in summer

Suggested planting locations and garden types

  • Cottage and informal garden
  • Rock garden
  • Gravel garden
  • Underplanting of roses and shrubs
  • Flower borders and beds
  • Wall side borders

Pruning

No pruning required

Pests

May be susceptible to slugs

Diseases

Generally disease- free