Natural dyes, or colorants, are derived from many sources including plants, invertebrates and minerals. Many natural dyes are from plant sources including roots, berries, bark, leaves and wood.1 This pages lists EEB Greenhouse accessions which have historically been utilized as dyes.
Natural Dye at Wikipedia. Last accessed 2 December 2015.
Image from Wikimedia Commons, under Creative Commons Attribution-Share Alike 3.0 license.
Greenhouse Locator Map:
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Number in parentheses references locator map icons