Lychnis flos-cuculi

RHS Plant Profile
ragged robin

Other common names

crow flower, crow soap, cuckoo, cuckoo flower, cuckoo gilliflower, cuckoo hood, Indian pink, marsh gilliflower, meadow lychnis, meadow pink, wild William

Synonyms

Lychnis flos-cuculi

Plants for pollinators
Herbaceous Perennial

A slender spreading or upright perennial about 75cm tall, with branched stems bearing opposite, lance-shaped leaves and, in late spring and early summer, terminal clusters of star-shaped pale to deep rose-pink flowers, each petal deeply cut into 4 narrow segments

Position

Full sun, Partial shade

Soil Types

Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

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

Position

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

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Caryophyllaceae
Native to GB/Ireland
Yes
Foliage
Deciduous
Habit
Clump forming
Genus
Silene can be annuals, biennials or herbaceous or evergreen perennials, with opposite, untoothed leaves and solitary or clustered flowers with 5, usually notched petals
Name Status
Correct
Plant Range
Europe, Caucasus, Russia

How to Grow

Cultivation

Thrives in a moist, moderately fertile soil in sun or part shade. Well suited to moist meadows or wild gardens

Propagation

Propagate by seed, division or take basal cuttings

Suggested planting locations and garden types

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

Pruning

Deadhead to prolong flowering

Pests

Generally pest-free

Diseases

Generally disease-free