Dang-shen (Codonopsis pilosula), also known as “poor man’s ginseng,” is a perennial herb cultivated for its long fleshy roots and climbing vine growth. Highly valued in traditional herbal gardens, it produces delicate bell-shaped flowers and thrives in temperate climates. Suitable for trellises, borders, and containers, Dang-shen is both ornamental and practical. Once established, it grows reliably year after year with minimal care.
Seed Information
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Type: Herb Seeds
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Common Name: Dang-shen, Codonopsis, Pilosula Herb
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Genus: Codonopsis
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Species: Codonopsis pilosula
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Life Cycle: Perennial
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Features: Climbing vine, produces edible/herbal roots, delicate bell-shaped blooms, ornamental and herbal use
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Season of Interest: Summer to fall (flowers), autumn (root harvest)
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Indoor/Outdoor: Outdoor (beds, trellises, containers)
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Sunlight: Full sun to partial shade
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Cultivating Difficulty: Moderate (requires support and patience for root development)
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Watering: Moderate, prefers moist but well-drained soil
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Climate: Temperate, Humid Continental, Mediterranean
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Growth Habit: Climbing vine, 3–6 ft tall with support
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Soil Type: Fertile, well-draining loamy soil enriched with organic matter
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Soil pH: 6.0–7.5
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Planting Time: Spring after frost
Grow Instructions
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When to Plant: Start indoors 6–8 weeks before last frost or sow directly outdoors in spring
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Soil: Fertile, well-draining loam enriched with compost
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Sunlight: Full sun to partial shade
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Watering: Keep soil evenly moist; avoid waterlogging
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Spacing: 12–18 inches apart, provide trellis or support for climbing vines
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Germination: 14–21 days at 65–70°F (18–21°C)
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Harvest: Roots are typically harvested in the second or third year
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Tips: Mulch to retain soil moisture and suppress weeds; prune vines to encourage stronger root development