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Home / Products / Eupatorium Powder 2.5kg (5.5 lb)

Eupatorium Powder 2.5kg (5.5 lb)

$150.00 $98.95

Eupatorium – This dyestuff comes from a genus of flowering plants in the aster family. Ageratina adenophora is known by many common names, including eupatory, sticky snakeroot, and crofton weed. Eupatorium adenophorum is a synonym. There are many species of the genus Eupatorium that contain colourants; interestingly, the 1882 bulletin of the Royal Gardens, Kew, records two species known as Paraguay indigo. Eupatorium gives soft egg-yolk yellows that range into oranges. When used with an iron mordant it can be used for an earthy moss greens, when overdyed with indigo it provides a satisfying range of yellow to blue greens.

Mordanting: Use alum mordant at 15% WOF for protein fibres. For cellulose, first mordant with tannin at 8% WOF, then either 1) use alum at 15% with soda ash at 2% or 2) use aluminum acetate at 8%. 

Dyeing: For ground leaves use 20-30% WOF for a medium depth of shade. For the extract use 10% WOF. Eupatorium yields warm yellows to ochres. The addition of an iron mordant gives lovely moss greens.

For in-depth information on natural dyes see our Guide to Natural Dyes available on naturaldyes.ca. Also available as a Printable PDF.

Currently the largest sizes of natural dyes are priced at wholesale rates. Our rates reflect a growing discount as the size increases. See all sizes here.