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Herbaceous PerennialHerbs - Culinary

Cynara cardunculus (Scolymus Group) 'Vert Globe'
  • RHS Plants for pollinators

cardoon 'Vert Globe'

A large, architectural perennial with grey-green leaves, grown for its edible, fleshy, green flower bud scales that are produced on stems up to 1.7m tall. The buds open to thistle-like purple flowers in summer and autumn. Suitable for ornamental flower garden

Synonyms
Cynara cardunculus (Scolymus Group) Green Globe
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Size
Ultimate height
1.5–2.5 metres
Time to ultimate height
2–5 years
Ultimate spread
1–1.5 metres
Growing conditions
Loam
Sand
Chalk
Moisture
Well–drained, Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Grey Silver
Summer Purple Green Green Grey Silver
Autumn Green Grey Silver
Winter
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H4
Botanical details
Family
Asteraceae
Native to the UK
No
Foliage
Deciduous
Habit
Columnar upright
Genus

Cynara are robust thistle-like plants with grey-hairy, pinnately lobed leaves and globose purple flower-heads

Name status

Accepted

How to grow

Cultivation

Grow in fertile, well-drained soil in full sun; shelter from strong winds. In cold winters or more northern areas consider winter protection, apply a dry mulch such as bark or straw. See How to grow: globe artichokes for more details

Propagation

Propagate by seed. See sowing vegetable seeds

Suggested planting locations and garden types
  • Architectural
  • Cottage and informal garden
  • Gravel garden
  • Flower borders and beds
  • Cut flowers
  • Wall side borders
Pruning

Cut down flowered stems and old foliage in autumn when cropping is over

Pests

May be susceptible snails, slugs and blackfly (black aphid)

Diseases

Generally disease-free

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