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Herbaceous Perennial

Chelidonium majus

greater celandine

A sparsely hairy, somewhat spreading plant to 90cm, with broadly-lobed pinnately-divided leaves, and yellow flowers in spring and summer. Self-seeds and naturalises freely

Other common names
celandine poppy
cockfoot
see morecock's foot
kenningwort
sightwort
swallow wort
tetterwort
wartwort
dilwydd
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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Yellow Green
Summer Yellow Green
Autumn Green
Winter Green
Position
  • Full shade
  • Full sun
  • Partial shade
Aspect

South–facing or North–facing or West–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H5
Botanical details
Family
Papaveraceae
Native to GB / Ireland
Yes
Foliage
Semi evergreen
Habit
Bushy
Potentially harmful
Humans/Pets: Harmful if eaten, skin/eye irritant. Wear gloves and other protective equipment when handling For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus

Chelidonium are erect biennials or short-lived perennials with copious orange sap; leaves are pinnately dissected and poppy-like flowers are borne in loose umbels in summer

Name status

Correct

Plant range
Europe, W Asia

How to grow

Cultivation

Grows easily in most soils in any position, but woodland conditions are ideal

Propagation

Propagate by seed by sowing in situ in early spring

Suggested planting locations and garden types
  • Wildlife gardens
  • Wildflower meadow
Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free

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