Cirsium japonicum 'Rose Beauty'

RHS Plant Profile
Japanese thistle 'Rose Beauty'
Japanese thistle 'Rose Beauty' visionspictures.com
Annual Biennial Herbaceous Perennial

A clump-forming biennial or short-lived perennial, to around 1.2m high, with long, deeply lobed, slightly spiny green leaves. In late summer to early autumn, produces tall, branching stems bearing thistle-like flowers, with rounded heads of tubular, deep pink petals

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

1-1.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1–2 years
Max Spread
0.1-0.5 metres
Max Height
1-1.5 metres

Growing Conditions

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

Position

Full sun Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asteraceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Clump forming
Genus
Cirsium may be biennials or perennials with spiny leaves and typical thistle-type flower-heads
Name Status
Accepted

How to Grow

Cultivation

Thrives in moist soil in full sun, but will tolerate a range of soils and positions

Propagation

Propagate by seed

Suggested planting locations and garden types

  • Cottage and informal garden
  • Wildflower meadow
  • Wildlife gardens
  • Cut flowers
  • Flower borders and beds

Pruning

Deadhead if seed is not required

Pests

Generally pest-free

Diseases

May be susceptible to powdery mildews