Venne GOTS organic cotton/linen blend thread, (70/30).  Hand dyed. Name of yarn is what it is dyed with.
 
Small Woad (home grown), Isatis tinctoria, 12g
Large Woad (home grown), Isatis tinctoria,  18g
Purging Buckthorn, Rhamnus cathartica, 10g
Meadowsweet Yellow, Filipendula ulmaria, 9g
Meadowsweet Green, Filipendula ulmaria, 17g
Sallow, Salix caprea, 23g
Hazel, Corylus avellana, 11g