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| Identification |
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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
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| Life cycle |
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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
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| Climate |
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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
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| Garden |
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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.
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| Special qualities |
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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
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| Adverse factors |
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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
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| Herbal medicine |
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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.
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| Traditional uses |
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Parts used
Traditional uses
Contemporary uses
Fragrance
sour lemon tasting leaves
Fragrance parts
Leaves
Fragrance intensity
Fragrance category
Dye parts
Roots
Dye color
black
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| Cultivation |
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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
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| Nutrition |
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Is edible
yes
Culinary uses
Cooked
Nutritional value
Edible parts
Leaves
Description of edible parts
Flavor / texture
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| Horticulture |
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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.
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| Herbarium |
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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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