Dianthus barbatus

RHS Plant Profile
sweet william

Other common names

bloomy down, London tufts, oeillet des poètes, tolmeiner, bearded pink, London pride

Plants for pollinators
Annual Biennial Bedding

A biennial or short-lived perennial with prostrate rosettes of wide, lanceolate green leaves and stiff, erect stems, thickened at the nodes, to 40-60cm tall, bearing many-flowered, terminal, flattened heads. Flowers come in many colours from white to darkest red, often in bicolour combinations, with the darker eyes and toothed petals characteristic of pinks and carnations. Many named selections exist

Position

Full sun

Soil Types

Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

Loam Sand
Moisture
Well–drained
pH
Alkaline or Neutral

Position

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

Colour & Scent

Fragrance Flower
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Caryophyllaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Bushy
Potentially harmful
Humans/Pets: Skin allergenwear gloves and other protective equipment when handling. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus
Dianthus can be annuals, evergreen perennials or subshrubs with narrow, often greyish leaves and showy flowers that are frequently fragrant
Name Status
Correct
Plant Range
S Europe

How to Grow

Cultivation

Grow in a well-drained neutral to slightly acid soil in full sun

Propagation

Propagate by seed sown in late spring and plant out into flowering positions in the autumn

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Wildlife gardens
  • Bedding
  • Cut flowers
  • Flower borders and beds
  • Underplanting of roses and shrubs

Pruning

Deadhead as required

Pests

May be susceptible to slugs and aphids

Diseases

May be susceptible to powdery mildews, a rust, a virus and fusarium wilt