Wild Blue Indigo (Baptisia australis) Quick Facts:

Common names:  Indigo Weed, Rattle Weed, Rattle Bush, Horsefly Weed

Herbaceous shrub, long-lived perennial

Fabaceae (Pea) family

Native to most of central, northeast and southeast US and eastern Canada

Hardy in USDA zones 4-9

Full sun

Prefers fertile, moist, well-drained soil but drought tolerant once established

3-4 feet tall by 3-4 feet wide

Propagate from seed, rub between sandpaper to scarify, plant 1/4 inch deep, germinates in 1-2 weeks, bottom heat improves germination

2-3 years from seedling to flower

Please see complete growing conditions and details for Baptisia australis under our seed description…