Vegetables Cardoon

Porto Spineless
Cardoon Seed

Product ID: 1749

Artichoke-flavored leaf stalks.

The midrib and leaf stalks of cardoon have a similar flavor to artichoke when boiled (not for eating raw). Both portions are commonly used as a side vegetable, addition to stuffing, or in soups and stews. Cardoon must be blanched before it can be eaten. To blanch, tie the stalks up firmly and wrap with black plastic or black and white newspaper. If left unharvested, the 3–4' tall plants will produce large purple, thistle-like flowers. The sharply lobed and serrated silver-green leaves are a unique addition to flower arrangements. Spineless plant. Perennial in Zones 6–10. Avg. 11,600 seeds/lb. Packet: 25 seeds.
Size
Price
 
Quantity
Availability

Packet

$5.15
In Stock

100 Seeds

$7.40
In Stock

250 Seeds

$12.30
In Stock

1,000 Seeds

$32.75
In Stock

5,000 Seeds

$139.45
In Stock
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  • This product does not ship to the following states: CA.
SCIENTIFIC NAME: Cynara cardunculus
CULTURE: Cardoon requires very fertile, well-drained soils with a pH of 6.5–8.0. Cardoon is vigorous and can be started 6–8 weeks prior to last frost date. Sow 2–3 seeds per cell in plug trays or individual containers ¼" deep. Germinate at 70–80°F (21–26°C) and keep soil moist until emergence. Thin to one plant per cell when the first true leaves appear. As soon as seedlings can be handled, transplant to 4" pots or 1½" cell-type containers and grow at 60–70°F (15–21°C) day and 50–60°F (10–15°C) night. Transplant 6- to 12-week-old plants to the field 2–3' apart in rows 4–6' apart.
BLANCHING: Gather stalks in late summer or early fall, tie upright with twine, and wrap with black plastic or black-and-white newspaper to exclude sunlight. Blanch for 3–4 weeks during the cooler weather of early fall.
HARVEST: Harvest after blanching, cutting at the base of the stalks to keep intact.
SEED SPECS: SEEDS/LB.: Avg. 11,600.
DAYS TO MATURITY: From transplant.
PACKET: 25 seeds, unless otherwise noted.

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Quick Facts

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Latin Name

Cynara cardunculus

Days To Maturity

Average number of days from seeding date to harvest, within a specific crop group. If a transplanted crop: average number of days from transplant date. Not sure if crop is direct-seeded or transplanted? Check the Growing Information box for details. If crop can be both direct-seeded or transplanted, days to maturity refers to direct seeding. Days to maturity for all flowers and herbs is calculated from seeding date.

100 Days

Life Cycle

Plants can be Annuals (single growing season), Perennials (grow year after year), Tender Perennials (grow year after year in warmer climates; and in some cases when given special protection in colder climates), or Biennials (require two years to mature).

Tender Perennial

Hybrid Status

Hybrid: The offspring of a cross between two or more distinct parent lines, usually of same species, and selected for improved traits.
Open-pollinated: A non-hybrid variety that can reproduce itself in kind, demonstrating relatively stable traits from one generation to the next.

Open Pollinated

Product Features

Use for Cut Flowers and Bouquets Use for Cut Flowers and Bouquets
Variety good for fresh cut-flower displays.

Use for Cut Flowers and Bouquets