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Imperial Star

Flower

Cynara cardunculus var. scolymus

Overview
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.
Planting
Start indoors 6-8 weeks before last frost, or direct sow after last frost
Growing
Sun: full. Water: high. Soil: Well-drained, fertile loam with moderate organic matter. Space plants 18" apart. Germination: 7-14 days.
Pests & diseases
Common pests: Artichoke plume moth, aphids, spider mites, slugs. Common diseases: Botrytis blight, powdery mildew, leaf spot, verticillium wilt.