Answer: woads

AnswerCrossword Clue
WOADSBlue dyes
WOADSBlue-dye plants
WOADSBlue dyes from a plant.
WOADSBlue dye plants.
WOADSBlue dyes.
WOADSBlue dyestuffs.
WOADSDye herbs
WOADSCertain dyes
WOADSDye-yielding mustard plants
woadsWOAD, a blue dye
woadsa European herb (Isatis tinctoria) of the mustard family formerly grown for the blue dyestuff yielded by its leaves
woadsis dyestuff
woadsthe dye extracted from this plant