February 3, 2021

A catalog of Native North American Plants: Coreopsis Tinctoria

Coreopsis Tinctoria

Common name: Plains tickseed, Plains coreopsis, Golden tickseed

Coreopsis attain a height 12 to 40 inches. Leaves are pinnately-divided, glabrous and tending to thin at the top of the plant where numerous 1- to 1.5-inch flower heads sit atop slender stems.

Flower heads are brilliant yellow with maroon or brown disc florets of various sizes. Flowering typically occurs in mid-summer.

Dye Colors: Black, Brown, Green, Yellow, Orange

Dye source	Mordant	Process	Color
Ray florets	Copper	Heat	Bright Medium -Olive
Ray florets	Alum	Heat	Antique olive gold
Ray florets	Tin	Heat	Dark terra- cotta
Ray florets	Iron	Heat	Dark Brown
Ray florets	None	Heat	Antique olive gold
Disk florets and bracts	Iron	Heat	Black brown
Disk florets and bracts	Copper	Heat	Golden brown
Disk florets and bracts	Tin	Heat	Dark terra- cotta
Leaves	Alum	Heat	Bright gold
Leaves	Copper	Heat	Antique gold
Leaves	None	Heat	Light olive gold
Leaves	Tin	Heat	Bright orange
Leaves	Iron	Heat	Black - brown

Samples: Cotton, Linen, wool, silk

Mordant: Alum

Dye : Flowers

Modifier : Rust