*This item is not for sale and listed as a plant library product for educational purposes only.
• Also known as “Blue false indigo”
• 1-4 feet tall
• Flowers from May to June
• Adapted to rocky sites of prairies, hillsides, open woods, and roadsides.
• Prefers limestone or clay soils.
• Sap turns purple when exposed to the air; was used for dye by Native American Indians.