Skip to site navigation

Hosta 'Krossa Regal' AGM

Home  |  Plants > Plant Selector > Hosta 'Krossa Regal' AGM

© RHS

Characteristics

Plant type

Herbaceous Perennial

Habit

Bushy

Resilience

Hardiness

H7 (very hardy)

Colour

Flower

Pale Purple in Summer

Foliage

Blue and Green in Spring and Summer

Size

Ultimate height

1-1.5 metres

Ultimate spread

1-1.5 metres

Time to ultimate height

2-5 years


Preferred common name

hosta 'Krossa Regal'

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

'Krossa Regal' is a robust herbaceous perennial making a large clump of ovate, blue-green leaves 20cm long, with impressed veins, with bell-shaped pale purple flowers on stems to 1.5m

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, Coastal, Cottage/Informal Garden, Flower borders and beds, Ground Cover 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