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Baptisia Australis

Common Name: Blue False Indigo, Plains False Indigo

Baptisia australis — commonly called blue false indigo — is a long-lived, native herbaceous perennial admired for its deep blue-violet flower spikes and handsome blue-green foliage. Blooming in late spring, the pea-like flowers rise above a sturdy, shrub-like mound, followed by ornamental black seed pods that add summer and fall interest.

Key features
Width / spread: 3–4 ft (can reach ~4–5 ft in rich soils over time)
Height: 3–4 ft (flower spikes included)
Flower color: Deep blue-violet
Bloom time: Late spring to early summer
Foliage: Blue-green, trifoliate
Form: Upright, mounded clump
Life cycle: Herbaceous perennial

Growing conditions
Sun: Full sun (best flowering); tolerates light shade
Soil: Average to well-drained; adaptable, prefers neutral to slightly acidic
Water: Moderate; drought tolerant once established
Hardiness: USDA Zones 3–9

Landscape use
Perennial borders (mid- to back-of-border)
Native and prairie plantings
Specimen or focal plant
Cut flower and pollinator gardens

Notes
Deep taproot—avoid moving once established
Typically takes 2–3 years to reach full size and peak bloom
Black seed pods provide structure and winter interest (can be left or removed)
Excellent pollinator plant; generally deer resistant

Plant Type:	Perennial
Width:	3-4'
Height:	3-4'
Fragrant:	Not verified
Fruit:	Yes
Growth Rate	Slow
Zone:	3–9
Deer Resistant:	Yes
Salt Tolerant:	Not verified
Drought Tolerant:	Yes
Attract:	Bees butterflies birds
Exposure:	Full Sun
Bloom Time:	Late Spring, Early Summer
Shape:	Clump
Soil Type	Clay, Normal, Loamy
Flower Color:	Blue
Leaf Color:	Dark Green, Green
Fall Color:	Green