Indigo (Indigofera tinctoria)
Parts used: leaves, stems, roots
Medicinal uses: In China the roots and leaves are used to treat depression, swollen glands, and heat rash. The leaves show anticancer activity.
Additional uses: The fermented stems and leaves are the source of a rich blue dye, valued for 4,000 years (Bremness 109).
Cautions: None stated.
Pacific Northwest Medicinal Plant Guide (Check out all plants growing in Tryon Farm's medicinal garden!)