Indigo

Growth habit

Sub-Shrub

Perennation

Cultivated as annual

Native distribution

Exact Native Range Unknown

Biocultural value

Leaves yield various shades of blue dye on wool, cotton and silk.

Location

Robison Herb Garden

Source of plant

Pinetree Garden Seeds

Description

Deciduous sub-shrub, 1.5-2m. Leaflets to 22mm in 4-7 pairs, obovate, hairy beneath. Racemes slender, ascending, shorter than leaves; standard pale red to rose, wings and keel of a somewhat deeper blue.

USDA Hardiness Zone

10

Special characteristics

other ethnobotanical uses, tender perennial