Annuals, Perennials > Cynara > Cynara cardunculus > Cynara cardunculus
Cynara cardunculus
Cardoon, Artichoke Thistle
Origin: Western and central Mediterranean region.
Mike's
Opinion
"
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
Cultivars
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Awards
Description and Growing Information
Flowering Period
| 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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