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Summary
Physical Characteristics
Rorippa amphibia is a PERENNIAL growing to 1.2 m (4ft).
See above for USDA hardiness. It is hardy to UK zone 6 and is not frost tender. It is in flower from June to August, and the seeds ripen from July to September. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees, flies. The plant is self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils and can grow in very acid and very 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
Nasturtium amphibia. Sisymbrium amphibia.
Plant Habitats
Pond; Bog Garden;
Edible Uses
Edible Parts: Leaves
Edible Uses:
Young leaves and stems - raw or cooked[2, 105, 177]. A hot cress-like flavour, they go well as a flavouring in salads[K].
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.
None known
References More on Medicinal Uses
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Other Uses
References More on Other Uses
Cultivation details
Prefers a fertile soil[200]. Tolerates fairly low light levels[200]. Plants grow in boggy soils or in shallow water, the submerged forms have finely divided bright green leaves[200]. Plants seem to be extremely attractive to slugs. They can eat out all the new growth in spring and kill even large plants[K].
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 a cold frame. Germination should take place within 2 weeks. Prick out the seedlings into individual pots when they are large enough to handle and plant them out in the summer. Make sure the pots are not allowed to dry out. Division in spring. Very easy, but protect the young divisions from slugs. Larger divisions can be planted out direct into their permanent positions. We have found that it is better to pot up the smaller divisions and grow them on in light shade in a cold frame until they are well established before planting them out in late spring or early summer. Cuttings succeed at almost any time in the growing season. Very easy, even a floating leaf will form adventitious roots[56].
Other Names
If available other names are mentioned here
Native Range
TEMPERATE ASIA: Iran, Iraq, Turkey, Armenia, Russian Federation (Yakutia-Sakha, Altay, Krasnoyarsk, Irkutsk, Kemerovskaja oblast, Kurganskaja oblast, Novosibirsk, Omsk, Tomsk, Tyumen), Kazakhstan EUROPE: Denmark, Finland (south), United Kingdom, Ireland, Sweden (south), Austria, Belgium, Switzerland, Czech Republic, Germany, Hungary, Netherlands, Poland, Slovakia, Russian Federation (European part), Belarus, Estonia, Lithuania, Latvia, Moldova, Ukraine (incl. Krym), Albania, Bulgaria, Bosnia and Herzegovina, Greece, Croatia, Italy (incl. Sardinia), North Macedonia, Montenegro, Romania, Serbia, Slovenia, Spain, France, Portugal AFRICA: Algeria (north)
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
(L.)Besser.
Botanical References
17200
Links / References
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Readers comment
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