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Hosta ventricosa AGM

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© RHS 1993

Characteristics

Plant type

Herbaceous Perennial

Habit

Clump-forming

Resilience

Hardiness

H7 (very hardy)

Colour

Flower

Dark Purple in Summer

Foliage

Dark Green in Autumn, Spring and Summer

Size

Ultimate height

0.5-1 metres

Ultimate spread

0.5-1 metres

Time to ultimate height

2-5 years


Preferred common name

blue plantain lily

Family

Asparagaceae


Hosta are clump-forming herbaceous perennials with simple, ovate or lance-shaped leaves, often attractively coloured or variegated, and erect racemes of nodding, funnel or bell-shaped flowers in early summer

H. ventricosa is a robust herbaceous perennial making a large clump of wavy-edged, dark glossy green heart-shaped leaves to 18cm in length. deep purple bell-shaped flowers are borne on erect stems to 90cm in late summer

Other common names

  • murasaki-giboshi
  • Savannah wood

Synonym(s)

  • Hosta coerulea

How to grow

Sunlight

  • Part shade

Aspect

  • East-facing or North-facing
  • Sheltered

Cultivation

Grow in fertile, moist but well-drained soil with shelter from cold, dry winds. Best in slightly acid or neutral soils; it will grow in alkaline soils if enriched but shallow, chalky soils can cause leaves to yellow. Partial shade is best but it can tolerate some sun if the soil is kept moist. Mulch in spring

Soil

  • Moist but well-drained
  • Acid or Neutral
  • Clay or Loam

Propagation

Propagate by division in late summer or early spring

Suggested planting locations and garden types

City/Courtyard Gardens, Cottage/Informal Garden, Flower borders and beds, Garden Edging or Underplanting of Roses and Shrubs


How to care

Pruning

No pruning required

Pests

May be attacked by slugs, snails and vine weevil

Diseases

May be subject to a virus