Cardoon
Large, silver-green, deeply-divided, spiny leaves are topped by 4-5" glowing blue-violet flowers in summer. Grown for harvest of its edible leaf stalks or for use as an unusual architectural specimen. (Perennial)
| Bloom time | Size | Exposure | |||||||||||||
| Summer | 3-6' tall x 2-3' wide |
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Hardiness Zone:7,8,9,10,11 |
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