Convallaria majalis 'Hardwick Hall' (v)

RHS Plant Profile
lily of the valley 'Hardwick Hall'

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Herbaceous Perennial
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A robust, spreading perennial to 25cm high, with broadly oval green leaves with a fine, irregular yellow-green edge. In late spring, produces loose clusters of pendent, rounded, fragrant white flowers on arching stems among the foliage

Position

Full shade, Partial shade

Soil Types

Chalk, Clay, Loam

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

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

Position

Full shade Partial shade
Aspect
East–facing or North–facing or West–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)
H7

Colour & Scent

Fragrance Flower
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asparagaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Matforming
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
Convallaria are rhizomatous perennials with elliptic to narrowly ovate leaves and arching racemes of small, highly fragrant, bell-shaped flowers followed by red berries
Name Status
Accepted

How to Grow

Cultivation

Grow in a fertile, humus-rich moist soil in full or partial shade. Top dress with leaf mould in autumn

Propagation

Propagate by division in autumn

Suggested planting locations and garden types

  • Cottage and informal garden
  • Cut flowers
  • Ground cover
  • Underplanting of roses and shrubs

Pruning

No pruning required

Pests

May be susceptible to swift moth caterpillar

Diseases

May be susceptible to grey moulds and leaf spots