Alphabetical Plant Listing

Cynara cardunculus (Cardoon)

Globe Artichoke, Cardoon, Prickly Artichoke


Very decorative, Cynara cardunculus (Cardoon) is a robust perennial forming an upright fountain of bright silvery-gray, jagged, deeply-lobed leaves, up to 3 ft. long (90 cm). Large thistle-like purple flowers, 2 in. across (5 cm), sit atop stout flower stalks in late summer and fall. Bees, butterflies and other pollinators love them. Quite showy, the unique blossoms are terrific in fresh or dried arrangements. Fast-growing, Cardoon is native to the Mediterranean area and can be used as a short-lived perennial in zones 7-10, and as an annual elsewhere. Sculptural and incredibly eye-catching, it makes a dramatic statement in the garden. Give it plenty of room to spread.

  • Recipient of the prestigious Award of Garden Merit of the Royal Horticultural Society.
  • Grows up to 3-6 ft high (90-180 cm) and 2-3 ft. wide (60-90 cm)
  • Performs best in full sun in fertile, well-drained soils. Shelter from strong winds. Apply a dry mulch in cold winter areas.
  • Great in beds and borders, cottage gardens.
  • No serious pest or disease issues. Keep an eye out for snails, slugs and blackfly.
  • Cut down flower stems as they emerge in summer if you want to grow it as a foliage plant.
  • Propagate by seed sown in pots in a cold frame or propagate by division in spring or take root cuttings in winter
  • Cardoon is considered to be an invasive weed in some parts of California
  • Native to the Mediterranean region.

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Requirements

Hardiness 7 – 10
Heat Zones 1 – 9
Plant Type Perennials
Exposure Full Sun
Season of Interest Spring (Late)
Summer (Early,Mid,Late)
Fall
Height 3' – 6' (90cm – 180cm)
Spread 2' – 3' (60cm – 90cm)
Spacing 36" (90cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Dried Arrangements, Cut Flowers, Plant of Merit, Showy
Garden Uses Beds and Borders
Garden Styles Informal and Cottage, Prairie and Meadow

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By Alexey Belyaev, Pokku, Peter Turner Photography, Shutterstock

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 7 – 10
Heat Zones 1 – 9
Plant Type Perennials
Exposure Full Sun
Season of Interest Spring (Late)
Summer (Early,Mid,Late)
Fall
Height 3' – 6' (90cm – 180cm)
Spread 2' – 3' (60cm – 90cm)
Spacing 36" (90cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Dried Arrangements, Cut Flowers, Plant of Merit, Showy
Garden Uses Beds and Borders
Garden Styles Informal and Cottage, Prairie and Meadow

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