Cynara cardunculus (Scolymus Group) 'Violet Globe'

RHS Plant Profile
globe artichoke 'Violet Globe'

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Herbaceous Perennial

An upright perennial to around 1.5m tall with spiny, grey-green leaves and rounded heads of edible, purple flowerbuds. Buds open to purple, thistle-like flowers from late summer into autumn

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

1.5-2.5 metres

Max Spread

1-1.5 metres

Size

Time to Maturity
2–5 years
Max Spread
1-1.5 metres
Max Height
1.5-2.5 metres

Growing Conditions

Chalk Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
South–facing or West–facing or East–facing
Exposure
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)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asteraceae
Native to GB/Ireland
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
Unresolved

How to Grow

Cultivation

Grow in fertile, well-drained soil in full sun; shelter from strong winds. In very cold winters apply a dry mulch. For more advice, follow globe-artichokes cultivation

Propagation

Propagate by seed. See sowing vegetable seeds

Suggested planting locations and garden types

  • Wildlife gardens
  • Architectural
  • Cottage and informal garden
  • Wall side borders
  • Cut flowers
  • Flower borders and beds

Pruning

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

Pests

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

Diseases

Generally disease-free