Family: Polygonaceae Genus: Rumex (ROO-meks) (Info) Species: crispus (KRISP-us) (Info)
3 members have or want this plant for trade.
Category: Herbs Perennials
Height: 12-18 in. (30-45 cm) 18-24 in. (45-60 cm) 24-36 in. (60-90 cm) 36-48 in. (90-120 cm) 4-6 ft. (1.2-1.8 m)
Spacing: 18-24 in. (45-60 cm) 24-36 in. (60-90 cm)
Hardiness: USDA Zone 4a: to -34.4 °C (-30 °F) USDA Zone 4b: to -31.6 °C (-25 °F) USDA Zone 5a: to -28.8 °C (-20 °F) USDA Zone 5b: to -26.1 °C (-15 °F) USDA Zone 6a: to -23.3 °C (-10 °F) USDA Zone 6b: to -20.5 °C (-5 °F) USDA Zone 7a: to -17.7 °C (0 °F) USDA Zone 7b: to -14.9 °C (5 °F) USDA Zone 8a: to -12.2 °C (10 °F) USDA Zone 8b: to -9.4 °C (15 °F)
Sun Exposure: Full Sun Sun to Partial Shade
Danger: Parts of plant are poisonous if ingested
Bloom Color: Pale Green Inconspicuous/none
Bloom Time: Mid Summer
Foliage: Herbaceous
Other details: May be a noxious weed or invasive 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)
Patent Information: Unknown - Tell us
Propagation Methods: From seed; direct sow outdoors in fall Direct sow as soon as the ground can be worked From seed; direct sow after last frost
Seed Collecting: Bag seedheads to capture ripening seed Allow seedheads to dry on plants; remove and collect seeds Properly cleaned, seed can be successfully stored
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