Native Wildflower · Easy

How to Grow Wild Blue Indigo

Baptisia australis

Your complete guide to growing Wild Blue Indigo.

☀SunFull sun to partial shade (4-6+ hours)

💧WaterLow to moderate, very drought tolerant once established

🗺Zones3–9

📏Height3-4 feet

📷 Wikimedia Commons

When to Plant Wild Blue Indigo

Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.

Zone	Start Indoors	Direct Sow	Harvest
Zone 3	—	May – July	—
Zone 4	—	April – June	—
Zone 5	—	April – June	—
Zone 6	—	April – June	—
Zone 7	—	March – May	—
Zone 8	—	March – May	—
Zone 9	—	February – April	—

Black-Eyed Susan

Complements bloom timing and attracts diverse beneficial insects

Little Bluestem Grass

Provides structural support and creates natural prairie ecosystem conditions

Nodding Onion

Deters root pests and rodents while adding late-season blooms

Purple Coneflower

Attracts beneficial pollinators and shares similar soil and water requirements

Spiderwort

Provides ground cover and shares tolerance for varying moisture levels

Switchgrass

Provides wind protection and mimics natural prairie plant communities

Wild Bergamot

Repels harmful insects while attracting native bees and butterflies

Wild Columbine

Thrives in similar partial shade conditions and attracts hummingbirds

Autumn Olive

Invasive shrub that creates dense shade and alters soil nitrogen levels

Crown Vetch

Aggressive spreader that can outcompete and smother native wildflowers

Johnson Grass

Allelopathic properties inhibit germination and growth of native plants