A catalog of Native North American Plants : Catalpa speciosa

Common name: Northern catalpa, cigar tree

is a species of Catalpa native to the midwestern United States of America. It is a deciduous tree growing up to 30 mts tall. It has a trunk up to 1 m diameter, with brown to gray bark maturing into hard plates or ridges. The leaves are deciduous, opposite (or whorled), large, heart shaped, 20–30 cm long and 15–20 cm broad, pointed at the tip and softly hairy beneath. The leaves generally do not color in fall.

The flowers are 3–6 cm across, trumpet shaped, white with yellow stripes and purple spots inside.

The fruit is a long, thin legume-like capsule, 20–40 cm long and 10–12 mm diameter; it often stays attached to tree during winter 

 Dye Colors: Black, Brown, Yellow

Dye source

Mordant

Process

Color

Branchlets

Tin

Heat

Antique Gold

Leaves

Tin

Heat

Antique Gold

Leaves

Iron

Heat

Dark olive gray

Leaves

copper

Heat

Brown

Leaves

None

Heat

Brown

Branches

None

Heat

Cinnamon-brown

Branches

Alum

Heat

Cinnamon-brown

Branches

Iron

Heat

Cinnamon-brown

Branches

Copper

Heat

Light golden tan

 

 

Samples: Cotton, Linen, wool, silk
Mordant: Alum
Dye : leaves and stems
Modifier : Rust