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Agrostemma githago

Corn cockle

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Key information

Plant type

Hardy annual

Flower colour






Skill level


photo by Fiona Lea, copyright GAP Photos (83633)
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Plant details

This is a lovely summer-flowering annual which has grey-green leaves and large magenta flowers. It is easy to grow and best suited for growing as a border filler. It can be sown in situ in early spring or in pots in autumn before planting out the following spring.

Family: Caryophyllaceae

Genus: Agrostemma

Species: githago

Plant type: Hardy annual

Flower colour: Magenta

Foliage colour: Grey

Feature: Flowers

Sun exposure: Full sun

Soil: Well-drained/light, Clay/heavy, Acidic, Chalky/alkaline

Hardiness: Hardy

Skill level: Beginner

Height: 70cm

Spread: 30cm

Time to plant seeds: September to May

Flowering period: June to August

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