Hydrocotyle ranunculoides

RHS Plant Profile
floating pennywort

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Synonyms

Hydrocotyle americana Walter, Hydrocotyle natans

This plant is listed as an invasive non-native species in the UK – see Cultivation section for details. A fast-growing, perennial aquatic plant with creeping stems that can root at the nodes. Rounded, glossy green leaves with wavy edges are held on long, fleshy stalks. Tiny, pale-green flowers may appear in summer

Size

Time to Maturity
No preference

Botanical Details

Family
Araliaceae
Native to GB/Ireland
No
Genus
A genus of aquatic or semi-aquatic horizontal plants which can be found in ponds, lakes, rivers, marshes and sometimes coastal areas. They form mats of long, creeping stems and clusters of pale green to pink flowers on upright spikes
Name Status
Correct

How to Grow

Cultivation

This plant is listed on Schedule 9 of the Wildlife & Countryside Act (1981), the?GB?Non-Native Species Secretariat?list of Species of Special Concern?and the?EU list of Invasive Alien Species of Union Concern (applies in NI).?It?should?not be planted or caused to grow in the wild?in?the?UK.?It is also banned from sale, and gardeners who already have it should take steps to control it.?See RHS advice on?invasive non-native species?for further information

Propagation

See cultivation notes

Pests

See cultivation notes

Diseases

See cultivation notes