Globe artichoke is an upright perennial vegetable that commands attention in any garden with its dramatic, deeply lobed green leaves and impressive thistle-like flowers. Hardy in zones 7 through 10, this Mediterranean native grows 3 to 5 feet tall and spreads 2 to 3 feet wide, thriving in full sun with moderate water. The plant produces large, edible flower heads that are harvested before they bloom, making it as ornamental as it is productive in temperate climates with cool summers and mild winters.
24
Full Sun
Moderate
7-10
60in H x 36in W
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Moderate
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Globe artichoke descended from wild cardoon in ancient times, but selective breeding gave it larger flower heads, nearly spineless leaves that are far less divided, and broader bracts that make harvesting less of a battle with thorns. The mature plant creates a bold architectural presence with its upright columnar form and deeply serrated foliage. Grown as a true perennial in zones 7 through 9, it yields for many seasons once established, rewarding gardeners who provide rich, well-drained soil and shelter from strong winds.
The immature flower heads are the prized edible portion, harvested and steamed, grilled, roasted, or boiled whole so the tender leaf bases can be pulled through the teeth to extract the delicate flesh. The heart, once the fuzzy choke portion is removed, becomes a delicacy on its own. Beyond the kitchen, the showy flowers attract pollinators and add dramatic visual interest to ornamental vegetable gardens.
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Cut the main central flower head when it reaches full size but before the bracts begin to separate and open into bloom. Side shoots will continue to develop lower on the plant after the main head is removed, extending the harvest season. Harvest these secondary heads as they reach maturity using a sharp knife to cut cleanly at the base of the stem.
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“Scolymus Group artichokes emerged from the wild cardoon (Cynara cardunculus) somewhere in the Mediterranean, likely during ancient times when farmers began selecting for larger, more tender flower heads and less aggressive spines. This deliberate breeding transformed a tough wild plant into a refined vegetable that has become iconic in European and Mediterranean cuisine. The group name itself reflects this lineage, distinguishing the cultivated globe artichoke from its spiny cardoon ancestor.”