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Summary
Physical Characteristics
Rumex hydrolapathum is a PERENNIAL growing to 1.8 m (6ft).
See above for USDA hardiness. It is hardy to UK zone 6 and is not frost tender. It is in flower from July to September, and the seeds ripen from August to September. The species is hermaphrodite (has both male and female organs) and is pollinated by Wind.
It is noted for attracting wildlife.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist or wet soil and can grow in water.
UK Hardiness Map
US Hardiness Map
Synonyms
Plant Habitats
Pond; Bog Garden;
Edible Uses
Edible Parts: Leaves Seed
Edible Uses:
Young leaves - cooked[2, 105, 183]. Seed - raw or cooked. It can be ground into a powder and used as a flour[102]. The seed is small and rather fiddly to harvest.
References More on Edible Uses
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
Antiscorbutic Astringent Ophthalmic
The root is antiscorbutic and strongly astringent[4]. It is harvested in early spring and dried for later use[4]. The green leaves are said to be an excellent application for ulcers of the eyes[4].
References More on Medicinal Uses
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Other Uses
Dye Tannin Teeth
The roots contain tannin. In cultivated plants, those grown on dry land contained 6 - 8% tannin whilst those grown in water contained 12.4 - 21.6%[223]. The dried and powdered root makes a good tooth cleaner[4]. Dark green to brown and dark grey dyes can be obtained from the roots of many species in this genus, They do not need a mordant[168].
Special Uses
Attracts Wildlife
References More on Other Uses
Cultivation details
Requires a moist or wet soil, also succeeding in shallow water. Avoids acid conditions in the wild. A very important food plant for the caterpillars of many species of butterfly[30].
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
Type a value in the Celsius field to convert the value to Fahrenheit:
Fahrenheit:
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Plant Propagation
Seed - sow spring in situ. Division in spring.
Other Names
If available other names are mentioned here
Native Range
TEMPERATE ASIA: Turkey (northwest) EUROPE: Denmark, Finland (south), United Kingdom, Ireland, Norway (south), Sweden (south), Austria, Belgium, Switzerland, Czech Republic, Germany, Hungary, Netherlands, Poland, Slovakia, Russian Federation (European part), Belarus, Estonia, Lithuania, Latvia, Moldova, Ukraine, Albania, Bulgaria, Greece (north), Croatia, Italy (incl. Sardinia), North Macedonia, Romania, Serbia, Slovenia, (northeast), France
Weed Potential
Right plant wrong place. We are currently updating this section.
Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.
Conservation Status
IUCN Red List of Threatened Plants Status :
Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.
Expert comment
Author
Huds.
Botanical References
17200
Links / References
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