Acanthus 'Whitewater' (v)

RHS Plant Profile
bear's breech 'Whitewater'
Herbaceous Perennial

An herbaceous perennial, to 1.5m high, with large, deeply cut, variegated dark-green leaves covered with white splashes. In summer, erect flower stems bear white, funnel-shaped flowers with hood-like purple bracts

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

1-1.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
2–5 years
Max Spread
0.5-1 metres
Max Height
1-1.5 metres

Growing Conditions

Chalk Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
South–facing or North–facing or East–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness
H5
Drought Resistance
Yes

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Acanthaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Columnar upright
Genus
Acanthus are robust herbaceous perennials with handsome, lobed foliage and tall, erect racemes of two-lipped flowers with colourful bracts
Name Status
Accepted

How to Grow

Cultivation

The ideal soil is a deep, fertile, well-drained loam but it will grow in most soils and has good drought tolerance. . The flowers can be used in fresh and dried arrangements

Propagation

Propagate by division or by root cuttings

Suggested planting locations and garden types

  • Architectural
  • Cottage and informal garden
  • Mediterranean climate plants
  • Low Maintenance
  • Cut flowers
  • Flower borders and beds

Pruning

Cut down old flower stems

Pests

Generally pest-free

Diseases

May be susceptible to Powdery mildews