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Growing Information:

Artichoke, Globe

CULTURE: Sow indoors about 8 weeks before last spring frost date. Sow 1/4" apart and 1/4" deep in lightly moistened soilless mix in a flat or pot. As soon as seedlings can be handled, transplant to 2-4" pots or cell-type containers and grow at 60-70F (15-21C) day and 50-60F (10-15C) night. Transplant 6-8 week old plants to the field 2-3' apart. Perennial to Zone 7; otherwise, treat as an annual.
IMPORTANT COLD TREATMENT (VERNALIZATION): Time transplanting so plants get 8-10 days of temperatures around 50F (10C) to induce earlier budding. Protect from frost.
HARVEST: Clip mature buds midsummer to midfall, depending on location.
MILD AREAS: Where winter low is above 14F (-10C), sow seeds in fall, harvest in spring.
MATURITY: From transplant; add about 20 days if direct seeding.
SEED SPECS: SEEDS/LB.: Avg. 11,000.
PACKET: 25 seeds.

Globe artichoke


Globe artichokes prefer
a frost-free season.

Artichokes need a position in full sunlight and a rich, well-drained soil that will hold moisture. Too much nitrogen will keep the plant from flowering. Artichokes bear best the second year and should be started from new plants every three to four years. To enable the roots to survive the winter in cooler areas, cut the plant back to about 10 inches, cover it with a bushel basket, and then place mulch around the basket to a thickness of two feet to help maintain an even soil temperature.

Harvesting Globe Artichokes

Timing from planting to harvest is 50 to 100 days for plants grown from suckers. The first buds will take at least a year to form when they are grown from seed. To harvest, cut off the bud with 1 to 1 1/2 inches of stem before the bud begins to open.

Types of Globe Artichokes

There are two main varieties of globe artichokes.
  • Green Globe is the best variety; it has 4-inch-large round buds.
  • Imperial Star is mild and prolific.

One serving size of artichoke is 56 g edible portion. One serving of artichoke contains 25 calories, 0 g of fat, 0 mg of cholesterol, 70 mg of sodium, 3 g of dietary fiber, 16 g of sugars, and 2 g of protein. It is also a source of calcium, iron and vitamins A, C.

A study has shown the possible benefits of artichoke on high cholesterol and triglycerides . Artichoke juice has been shown to  improve endothelial function in hyperlipemia. Its lipid lowering effects may be related to the inhibition of cholesterol synthesis and/or its bile stimulating action (i.e. elimination of cholesterol). In a vitro study, its flavonoids have been shown to prevent LDL-cholesterol oxidation. However, a clinical study has failed to find any related benefits.

Artichoke leaf extract has been to shown to reduce symptoms of irritable bowel syndrome. Gebhardt R. found that the extracts of artichoke (Cynara scolymus) leaves might be able to prevent taurolithocholate-induced hepatic bile canalicular distortions. In addition, a study has demonstrated that an artichoke leaf extract induced Choleretic activity and biliary elimination of lipids and bile acids in rats.