Which natural sources supplied most dyes before the 1850s?

Before the 1850s, virtually all dyes were obtained from natural sources. These were primarily derived from vegetables, including plants, trees, and lichens, with a smaller number sourced from insects.1

Key natural sources included:

• Plants and Trees: Madder plant roots provided the red dye alizarin, while indigo was extracted from the leaves of the dyerswoad herb or the indigo plant. Yellow dyes were obtained from the leaves of weld and the bark of the North American oak tree.1
• Insects: Red dyes were produced from scale insects, such as kermes and cochineal.1
• Marine Life: The rare Tyrian purple was extracted in small quantities from the glands of the Murex brandaris snail.1

While many attempts were made to extract color from various flora, only a limited number of natural dyes were stable enough for widespread use before the rise of the synthetic dye industry in the mid-19th century.12