This plant is listed as an invasive non-native species in the UK – see Cultivation section for details. An annual climbing or trailing plant. Lobed leaves have a rough texture. Greenish flowers are produced in summer on separate male and female plants
This plant is on 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
See cultivation notes
See cultivation notes
See cultivation notes