Cynara cardunculus 'Artemesia'

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Herbaceous Perennial

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 or Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
South–facing or West–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)
No preference

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
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

Propagation

Propagate by seed (sown indoors) or in a seedbed in spring. Alternatively propagate by division, separating rooted offsets in spring

Suggested planting locations and garden types

  • Architectural
  • Cottage and informal garden
  • Cut flowers
  • Flower borders and beds
  • 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