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Annuals, Perennials > Cynara > Cynara cardunculus > Cynara cardunculus

Cynara cardunculus


Cardoon, Artichoke Thistle




Origin:  Western and central Mediterranean region.
            Mike's Opinion

this is Mike

"

A stunning short-lived perennial or biennial that should be grown for its stunning silver foliage.



Michael Pascoe, NDP., ODH., CLT., MSc. (Plant Conservation)

"

Family
Asteraceae
Genus
Cynara
Species
cardunculus
Category
Annuals, Perennials
Pronunciation
USDA Hardiness Zone
7b - 8a
Canadian Hardiness Zone
7b
RHS Hardiness Zone
H5 (Observed growing well in H7 in a protected location)
Temperature (°C)
-15 to -10
Temperature (°F)
5 - 14
Height
80-150 cm
Spread
1 m
Photographs
Description and Growing Information
Flowering Period
AugustSeptember
General Description
A striking plant both for bloom and foliage, biennial in nature and monocarpic.
Growth
Fast
Leaf Description
Deeply lobed and heavily spined green to grey-green tomentose leaves up to 50 cm long, with yellow spines up to 3.5 cm long.
Flower Description
The flowers are violet-purple, produced in a large, globose, massively spined capitulum up to 6 cm diameter.
Notable Specimens
National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom.
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