Dyeing with black beans and turtle black beans. I've been wanting to try this and these colours are convincing me. I'm not sure the difference between 'black beans' or 'turtle beans', but will see what I can find.
Fabric dye - Non-fading Pokeberry Recipe - Pokeberry colors range from bright fushia to magenta to raspberry. Over-dyeing fabric in indigo, once the pokeberry is set, will give purples. The berries are gorgeous, but fatally toxic.