Hosta 'Krossa Regal'

RHS Plant Profile
plantain lily 'Krossa Regal'
plantain lily 'Krossa Regal' RHS
Award of Garden Merit
Herbaceous Perennial

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

Position

Partial shade

Soil Types

Clay, Loam

Max Height

1-1.5 metres

Max Spread

1-1.5 metres

Size

Time to Maturity
2–5 years
Max Spread
1-1.5 metres
Max Height
1-1.5 metres

Growing Conditions

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

Position

Partial shade
Aspect
North–facing or East–facing
Exposure
Sheltered
Hardiness
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asparagaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus
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
Name Status
Accepted

How to Grow

Cultivation

Grow in fertile, moist but well-drained soil in part shade with shelter from cold, dry winds. See hosta cultivation

Propagation

Propagate by division in late summer or early spring

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Coastal
  • Flower borders and beds
  • Underplanting of roses and shrubs
  • Ground cover

Pruning

Remove spent foliage as required and clear up dead foliage when it dies back at the end of the growing season

Pests

Plants in pots may be susceptible to vine weevil. This cultivar is said to be resistant to slugs

Diseases

May be susceptible to a virus