If your interest has been piqued and you would like to know a little more about eco printing and perhaps have a go yourself you might find some of the following helpful.
The Art and Science of Natural Dyes – Joy Boutroup and Catherine Ellis
A Dyer’s Garden – Rita Buchanan
Natural Dye Colours in Shetland – Bunchy Casey
Colours From Nature – Jenny Dean
Eco Colour – India Flint
Second Skin – India Flint
The Colour Cauldron – Sue Grierson