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Baptisia Australis 'Purple Smoke'
Common Name: Blue Wild Indigo, False Indigo
Baptisia Australis ‘Purple Smoke’ — commonly sold simply as Baptisia ‘Purple Smoke’ — is a striking false indigo (Baptisia) hybrid known for its smoky violet-lavender flowers held above attractive gray-green foliage and charcoal stems. It’s one of the most popular hybrid selections for perennial borders, prairie plantings, and mixed beds. Key features Width / spread: 3–4 ft (90–120 cm) mature spread Height: 4–5 ft (120–150 cm) tall at maturity, including flower spikes Flower color: Smoky violet-lavender pea-like flowers on upright racemes Bloom time: Mid to late spring (spring to early summer) Foliage: Gray-green, textured clump forming Form: Upright, clump-forming perennial Life cycle: Herbaceous perennial Growing conditions Sun: Full sun to light shade (best flowering in full sun) Soil: Average to well-drained; tolerates lean soils once established Water: Moderate; drought tolerant once established Hardiness: USDA Zones 4–9 Landscape use Specimen or focal plant Back of perennial borders Prairie or meadow gardens Mixed perennial beds Cut flower and pollinator gardens Notes A vigorous, long-lived perennial that often takes 2–3 years to fill out a full mound of foliage and blooms, and up to 4 years to reach peak display. Produces abundant smoky violet flower spikes that contrast nicely with gray-green foliage and dark stems. Great for structural and vertical interest in sunny garden beds. Branding / horticultural information
| Plant Type: | Perennial |
| Width: | 3-4' |
| Height: | 4-5' |
| Fragrant: | No |
| Growth Rate | Slow |
| Zone: | 4 - 9 |
| Deer Resistant: | Yes |
| Salt Tolerant: | No |
| Drought Tolerant: | No |
| Attract: | Butterflies |
| Bloom Time: | Late Spring, Early Summer |
| Landscape/Use: | Container, Mass Planting |
| Soil Type | Clay, Normal, Loamy |
| Leaf Color: | Green |
| Fall Color: | Green |
