Mordants, pots, and field resources for the textile artist sourcing color from the landscape

Alum is the foundational mordant for plant-based dyeing — brightens most natural colors, relatively safe to handle, and compatible with wool, silk, and cellulose fibers. A pound covers dozens of small dye baths.
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A dedicated dye pot kept separate from cooking vessels is the first rule of home natural dyeing. Enamel doesn't react with mordants and cleans completely between color sessions.

The most comprehensive practical guide to plant dyeing in print — dye plant by dye plant, mordant by mordant, with the kind of detail that makes results repeatable rather than accidental.

pH shifts the color outcome in many natural dye baths — iron modifiers go cooler, acid afterbaths brighten. Strips make bath chemistry legible without a meter.

Iron is the classic dye modifier — saddens and shifts colors toward grey-green, deepens tannin-rich baths, and creates contrast in over-dyed work. A small amount goes a long way.

Mordant ratios in natural dyeing are expressed as % WOF (weight of fiber). Getting repeatable colors means weighing fiber and mordant accurately — a kitchen spoon doesn't cut it.

Containing loose plant material in a muslin bag makes exhausting a dye bath cleaner and keeps bark, berries, and roots from tangling with fiber during the heating phase.

A complementary volume to Wild Color — Vejar's approach is more contemporary and process-focused, with better coverage of indigo fermentation and overdye sequences for complex color work.
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