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A multipurpose super herb! Curly Dock’s taproot is used in a wide range of medicinal applications; its color rich seeds make a beautiful rosy-brown natural dye; and its mature leaves can be sautéed or enjoyed in salads. (Caution: very young leaves can numb tongue.)
Michigan Seeds and Plants grown on our farm, Renegade Acres, in Howell, MI!
Certified Organic by Oregon Tilth.
Botanical Name | Rumex crispus |
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Life Cycle | Perennial |
Min. Time to Germinate | 7 Days |
Max. Time to Germinate | 14 Days |
Depth to Sow Seeds | 1/16 in. |
When to Sow | Indoors 2-4 weeks before last spring frost, Outdoors after all danger of spring frost is past |
Growing Height | 36-48 in. (90-120 cm) |
Plant Spacing | 18-24 in. (45-60 cm) |
Hardiness | USDA Zone 4a: to -25F, USDA Zone 4b: to -20F, USDA Zone 5a: to -15F, USDA Zone 5b: to -10F, USDA Zone 6a: to -5F, USDA Zone 6b: to 0F, USDA Zone 7a: to 5F, USDA Zone 7b: to 10F, USDA Zone 8a: to 15F, USDA Zone 8b: to 20F |
Sun Exposure | Full Sun, Sun to Partial Shade |
Danger | Parts of plant are poisonous if ingested |
Bloom Color | Chartreuse (Yellow-Green), Pale Green |
Bloom Time | Mid-Summer |
Other Details | Requires consistently moist soil; do not let dry out between waterings |
Soil pH Requirements | 5.6 to 6.0 (acidic), 6.1 to 6.5 (mildly acidic), 6.6 to 7.5 (neutral), 7.6 to 7.8 (mildly alkaline) |
Days to Harvest | 30-40, 40-50, 50-60 |
Propagation Methods | Direct sow as soon as the ground can be worked, From seed; direct sow after last frost, From seed; direct sow outdoors in fall |
Seed Collecting | Allow seedheads to dry on plants; remove and collect seeds, Bag seedheads to capture ripening seed, Properly cleaned, seed can be successfully stored |
Seeds Per Pack | 100 |