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17-25 October 2026

Japanese Knotweed Project

Transforming an invasive plant into biomaterials.

Hosted by Royal College of Art

This project is now archived and was part of DDW20

Deconstructing the plant into ingredients.
Deconstructing the plant into ingredients.
This project aims to transform a problematic plant into opportunities by using design as a tool to turn something negative into positive. Through an investigative process of its parts and reuse of its disposal, the plant can be a precious local source of raw material for a range of industries.
Japanese Knotweed (Reynoutria japonica) is a non-native plant in the UK classed as an invasive species due to its ability to spread easily creating a hostile environment. It is considered a controlled waste, so after its removal, it must be taken to a lic
Bioplastic leftovers used as a coating for glass.
Bioplastic leftovers used as a coating for glass.
Plant residues transformed into bioplastics.
Plant residues transformed into bioplastics.
Non-woven and lace fabrics made from the stems.
Non-woven and lace fabrics made from the stems.
Sequins made out of leaves.
Sequins made out of leaves.

About Royal College of Art

The Royal College of Art is the world's most influential postgraduate institution of art and design.

Partners

Sponsored by Japanese Knotweed Project
Sponsored by Japanese Knotweed Project
Sponsored by Japanese Knotweed Project

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