Rumex crispus
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Rumex crispus

yellow dock
curly dock
Bun na Copaig
curled dock

  family polygonaceae 
  genus rumex 

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Genus  Rumex Species  crispus Variety  Cultivar  Common names  yellow dock   curly dock   Bun na Copaig   curled dock Family  POLYGONACEAE Specimen number  S14027 Data source  Allergy p283;BtrflyCa p163;BtrflyCa p167;DyePl p65;DyePl p63;HtZn p164;MedPl p126
Life cycle
Life form  Terrestrial Life cycle  Perennial Life span  3 - 10 years Annual cycle  Not applicable Stature  Flower Growth form  Not applicable Growth habit  Various Overall height  6" - 5' Overall spread   
Sunshine  Full sun to light shade Water  Well drained Optimal soil texture  Various Acceptable soil pH  Neutral USDA hardiness  USDA zones 04a-08b AHS heat zones  Heat zones 12-02 Sunset climate zones  Not classified
Suitable for gardens  yes Nursery  Unknown Compost  no Size at acquisition  Unknown Garden location  Unknown Garden notes  The roots of Rumex crispus have been used in traditional fabric dyeing. Black is the most typical color produced by Yellow dock (also known as curly dock and curled dock). Rumex crispus is known as Bun na Copaig in Gaelic. Dock has been used in the Outer Hebrides of Scotland for dyeing. This plant can survive very cold winters with annual averages as low as -30 Fahrenheit. It needs a bit of a cold spell with temperatures below 15 Fahrenheit to do its best. This species needs summer days with high heat. This plant does best in full sun to light shade. It prefers well drained soils.
Special qualities
Tolerates drought  no Tolerates high humidity  no Tolerates seaside conditions  no Insect resistant  no Disease resistant  no Deer resistant  no Best uses    Symbiosis  Lycaena rubidus (ruddy copper butterfly);Lycaena xanthoides (great copper butterfly) Attracts butterflies  no Attracts hummingbirds  no Autumn foliage  no Colorful berries  no Desirable qualities    Other interest    Other interest color  Other interest period   
Adverse factors
Common pests  Poisonous parts  Poisonous indications  Internal poison  no Dermatologic poison  no Livestock poison  no Mechanical injury  no Hay fever pollen  Strong Hay fever season  May 01 - Oct 31 Adverse qualities   
Herbal medicine
Medicinal properties  laxative   cholagogue   detoxifier Medicinal parts  Root Has medicinal uses  yes Do not self-administer  no Do no use if pregnant  yes Legally restricted  no Toxicity precautions  Medicinal notes  Rumex crispus is most often used cooked. Yellow dock (sometimes called curly dock and curled dock) is considered by some to be an herbal remedy. It's used as a laxative, a cholagogue or a detoxifier. This plant should not be used by anyone who is pregnant. Herbal remedies are only prepared from the root. Anyone who suffers from pollinosis will want to steer clear of this heavy pollen producer. This plant's 6 month extended hay fever season continues from May through October.
Traditional uses
Parts used  Traditional uses  Contemporary uses  Fragrance  sour lemon tasting leaves Fragrance parts  Leaves Fragrance intensity    Fragrance category    Dye parts  Roots Dye color  black
Propagule  Various Pollination method    Planting style    Crop spacing    Row spacing    Cold frame  Planting period    Harvesting period    Frost tolerance    Heat requirement    Fertilizer  Typical Time to harvest 
Is edible  yes Culinary uses  Cooked Nutritional value  Edible parts  Leaves Description of edible parts Flavor / texture 
Horticulture notes  Rumex crispus is a wildflower that occurs throughout US. Yellow dock (in some places called curly dock and curled dock) probably originates from Scotland.
Tag needs printing  no Collection notes  Rumex crispus is a perennial. Leaves: Yellow dock (locally known in some parts as curly dock and curled dock) has waxy curly leaves.

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Last reviewed November 01, 2004   


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