Cardoons are a relative of the artichoke, and require much the same cultural conditions and care. Plant indoors about 8 weeks before the soil warms, and then harden off and transplant shallowly outside. Space the plants 24 inches apart in rows 3 feet apart. If you want your cardoons to produce perennially, cut the stalks to 8 inches in early winter, and bury with straw. Next years’ crop will be rooted offshoots of these parent plants. Harvest: While growing, blanch the stalks by wrapping them in newspaper and tying with twine. The leaves can be eaten fresh like celery, or cooked.Important Info : It is the fleshy stalk and leaves of cardoon which are eaten.
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Size:Height: 0 ft. to 5 ft.
Width: 0 ft. to 4 ft.
Plant Characteristics:low maintenance,
Flower Color:pinks, purples,
Bloomtime Range: not applicable
USDA Hardiness Zone:8 to 10
AHS Heat Zone:Not defined for this plant
Light Range:Sun to Full Sun
pH Range:Not defined for this plant
Soil Range:Some Sand to Loam
Water Range:Normal to Moist