Dianthus gratianopolitanus

RHS Plant Profile

Cheddar pink

Other common names

cliff pink, clove pink, mountain pink, sweet pink

Synonyms

Dianthus caesius
Dianthus Cheddar pink

Alpine Rockery Herbaceous Perennial

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An evergreen perennial to 15cm in height, forming a mat of narrow, glaucous leaves. Flowers solitary, 2cm in width, richly fragrant, with deep rose-pink, fringed petals

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

Chalk Loam Sand

Moisture: Well–drained
pH: Alkaline or Neutral

Position

Full sun

Aspect: South–facing or West–facing or East–facing
Exposure: Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H6

Colour & Scent

Fragrance Flower

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Caryophyllaceae
Native to GB/Ireland: Yes
Foliage: Evergreen
Habit: Matforming
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: Europe

How to Grow

Cultivation

Grow in well-drained, neutral to alkaline soil in full sun. Well-suited to a rock garden or the edge of a border

Propagation

Propagate by seed

Suggested planting locations and garden types

City and courtyard gardens
Rock garden
Cottage and informal garden
Gravel garden
Garden edging

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