Earliest green annual for summer harvests.
A green artichoke specifically bred for annual production, Imperial Star will produce well-developed artichokes the first year from seed. Plants become 1 1/2-3' tall and have an open growth habit. Each typically produces 1-2 primary buds, which average 3-4" in diameter, and 5-7 smaller secondary buds. Perennial in Zone 7 and warmer; otherwise treat as an annual. Organically grown. Avg. 9,650 seeds/lb. Packet: 25 seeds.
Plant Cycle: (A) Days to Maturity or Bloom: 85
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In stock
Disease Resistance:
No disease information found.
Growing Information:
Artichoke, Globe
CULTURE: Sow indoors about 8-12 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 60-70°F (15-21°C) day and 50-60°F (10-15°C) 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 50°F (10°C) temperatures to induce earlier budding. Protect from frost.
HARVEST: Clip mature buds midsummer to midfall, depending on location.
MILD AREAS: Where winter low is above 14°F (-10°C), sow seeds in fall, harvest in spring.
MATURITY: From transplant; add about 20 days if direct seeding.
SEED SPECS: SEEDS/LB.: Avg. 9,750.
PACKET: 25 seeds unless otherwise noted.
Symbols Explained:
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Organic Seeds and Supplies For seeds, OG means "organically grown" and signifies seeds harvested |