Most dye plants are subtle. To get red from madder (Rubia tinctoria), the greatest red dye plant, you have to dig up the roots, cook them for an hour, and add a mordant. Annatto, known as lipstick tree, and achiote (Bixa orellana in the plant family named after it, Bixaceae) has big spiny red fruits that if you open them, smear red all over your hands. Not a bit subtle. Of course people tried it as a dye.
|annatto Bixa orellana seed pod,|
about 2" long