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USDA Hardiness Zones

2, 3, 4, 5, 6, 7, 8, 9, 10, 11

Learn more about USDA Hardiness Zones here

Planting Tips

Direct sowing method - Plant seeds ¼ to ½ inch deep directly in garden beds, spacing seeds 2-3 inches apart in rows 12-18 inches apart, as Gailan transplants poorly and prefers direct seeding.

Optimal planting times - Sow in early spring 2-4 weeks before last frost date, and again in late summer 10-12 weeks before first expected fall frost for best quality harvests in cool weather.

Soil preparation - Choose well-draining, fertile soil with pH 6.0-7.0, incorporating compost or aged manure before planting to ensure rich, loose soil that retains moisture but doesn't become waterlogged.

Germination requirements - Seeds germinate best in cool soil temperatures of 45-75°F, typically sprouting in 4-10 days depending on soil temperature and moisture conditions.
Succession planting strategy - Sow new rows every 2-3 weeks during cool seasons to ensure continuous harvests, as plants are ready to cut in 50-70 days and don't hold quality long once mature.

Thinning and care - Thin seedlings to 6-8 inches apart when 2-3 inches tall, maintain consistent moisture with 1 inch of water weekly, and harvest main stems when flower buds form but before they open for best tenderness.

Gailan Seeds - Chinese Broccoli - Brassica oleracea

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