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key growing information
Growing Cardoon: How to Plant, Grow & Care For
How to grow cardoon (Cynara cardunculus) from seed: starting transplants, spacing, soil and pH, blanching the stalks, and harvest.
By Hensley’s Seed Co.
Cardoon - Key Growing Information
SCIENTIFIC NAME:
Cynara cardunculus
CULTURE:
Give cardoon rich, well-drained soil with a pH of 6.5–7.0. It grows fast, so start seed only 6–8 weeks before transplanting: sow 2–3 seeds ¼" deep per cell in 50-cell plug trays or individual pots. Germinate at 70–80°F (21–26°C), keeping the mix moist until seedlings emerge, then grow on at 60–70°F (15–21°C) by day and 50–60°F (10–15°C) at night. Thin to one plant per cell when the first true leaves show. Harden off and plant out 2–3' apart in rows 3–6' apart, protecting plants from frost.
DAYS TO MATURITY:
Counted from transplanting.
BLANCHING:
After about 3 months of growth, pull the stalks together, tie them upright with twine, and wrap them in black plastic or newspaper to block the light. Leave them wrapped for 3–4 weeks in cool weather.
HARVEST:
Once blanched, cut the plant at the base so the stalks stay together.SEEDS/LB. (AVG.): 11,600.
PACKET:
25 seeds per packet.
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