Some of the dye plants that I grow since 2016:
Japanese indigo (Persicaria tinctoria)
Woad (Isatis tinctoria)
Madder (Rubia tinctorum)
Weld (Reseda luteola)
Marigold – few different varieties (Tagetes), on the pictures from left African Cracker Jack, Taishan Orange
Safflower (Carthamus tinctorius)
Coreopsis (Coreopsis tinctoria), this is the red flowering one