Acis autumnalis

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autumn snowflake

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Synonyms

Leucojum autumnale

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Bulbs
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A bulbous perennial to 15cm in height, with narrow, grassy foliage and stems with 2-4 nodding white bell-shaped flowers 12mm in width, opening with or before the leaves in late summer

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0-0.1 metre

Size

Time to Maturity
2–5 years
Max Spread
0-0.1 metre
Max Height
0.1-0.5 metres

Growing Conditions

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

Position

Full sun
Aspect
South–facing or North–facing or West–facing or East–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)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Amaryllidaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Tufted
Genus
Acis are dainty bulbous perennials with linear leaves and nodding, bell-shaped, pure white or occasionally pink flowers
Name Status
Correct
Plant Range
Europe, N. Africa

How to Grow

Cultivation

Plant dry bulbs, 8 to 10cm deep, in autumn, in any moist but well-drained soil in full sun

Propagation

Propagate by seed, sown in autumn, in containers in a cold frame or separate offsets after the leaves have died down

Suggested planting locations and garden types

  • Rock garden

Pruning

No pruning required

Pests

May be susceptible to slugs and narcissus bulb fly

Diseases

Generally disease-free