Achillea millefolium (Yarrow)

Pale yellow to pale green.

Alcea rosea (Hollyhock)

The dark red, nearly black blooms produce lavender to gray colors on wool yarn mordanted with alum.

Cosmos sulphureus 'Cosmic Yellow' (Cosmos)

Bright yellow on wool yarn mordanted with alum.

Cosmos sulphureus 'Cosmic Orange' (Cosmos)

Bright yellow on wool yarn mordanted with alum.

Cosmos sulphureus 'Cosmic Red' (Cosmos)

Orange on wool yarn mordanted with alum.

Coreopsis tinctoria 'Roulette' (Plains Coreopsis)

Orange-red on wool yarn mordanted with alum.

Coreopsis tinctoria (Plains Coreopsis)

Yellow to golden brown on wool yarn mordanted with alum.

Cota tinctoria (Golden Chamomile)

Bright yellow on wool yarn mordanted with alum.

Genista tinctoria (Dyer's Greenweed)

Bright yellow on wool yarn mordanted with alum.

Helianthus annuus 'Hopi Black Dye' (Hopi Sunflower)

Mature seeds give a gray color on wool yarn mordanted with alum.

Persicaria tinctoria (Japanese Indigo)

Leaves give a blue color on wool or silk in a hot bath; an ice bath gives an aqua color. No mordant is required.

Reseda luteola (Dyer's-Rocket)

Leaves and stems give a yellow to greenish-yellow color on wool yarn mordanted with alum.

Rubia tinctorum (Common Madder)

The underground rhizomes give orange to red color on wool or silk mordanted with alum.

Rudbeckia hirta (Black-eyed Susan)

Heads with ray flowers and disk flowers give green dye; disk flowers used alone give a blue dye on wool yarn mordanted with alum.

Tagetes erecta (African Marigold)

Gives yellow color on wool, cotton or silk mordanted with alum.

Tagetes patula (French Marigold)

Gives yellow to gold or golden brown on wool mordanted with alum.

Thelesperma filifolium (Plains Navajo Tea)

Gives yellow color on wool or silk mordanted with alum.