Eranthis hyemalis 'Noël Ayres' (d)

RHS Plant Profile
winter aconite 'Noël Ayres'

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winter aconite 'Noël Ayres' RHS
Bulbs

A perennial, to 10cm in height, with double greenish-yellow flowers, 3cm in width, from late winter, surrounded by divided leafy bracts. Basal leaves are rich green, divided into several lobes

Position

Full sun, Partial shade

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
Moist but well–drained or Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
South–facing or East–facing or North–facing or West–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)
H6

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Ranunculaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Potentially harmful
Pets: Harmful if eaten. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus
Eranthis are small tuberous perennials with palmately or pinnately lobed basal leaves and cup-shaped flowers held above a collar of deeply lobed stem leaves
Name Status
Accepted

How to Grow

Cultivation

Grow in a humus-rich, moderately fertile soil that doesn't dry out. Tolerates most soil types but does best in alkaline soils

Propagation

Propagate by seed, sown in pots in a cold frame in late spring or separate tubers in late spring after flowering. Dry tubers may not establish well

Suggested planting locations and garden types

  • Cottage and informal garden
  • Underplanting of roses and shrubs
  • Flower borders and beds
  • Ground cover

Pruning

No pruning required

Pests

May be susceptible to slugs

Diseases

May be susceptible to smuts