Overview

Baptisia australis is a plant with a clump forming habit in the genus Baptisia, part of the Fabaceae family, with deciduous foliage. Baptisia australis grows best in full sun, and tolerates loam and sand soils and acid and neutral pH. Its UK hardiness is rated H7. Suggested uses include cottage and informal garden, prairie planting, wildlife gardens, low maintenance, cut flowers, banks and slopes and flower borders and beds.

About

Baptisia australis, commonly known as blue wild indigo or blue false indigo, is a flowering plant in the family Fabaceae (legumes). It is a perennial herb native to much of central and eastern North America and is particularly common in the Midwest, but it has also been introduced well beyond its natural range.

Wikipedia contributors, CC BY-SA 4.0Baptisia australis

About the genus

Baptisia is a genus in the legume family, Fabaceae. They are flowering herbaceous perennial plants with pea-like flowers, followed by pods, which are sometimes inflated.

Growing conditions

Best soil and position for Baptisia

Sunlight
Full sun
Soil type
Loam, Sand
Soil pH
Acid, Neutral
Soil moisture
Well-drained
Aspect
South-facing, East-facing, West-facing
Exposure
Exposed, Sheltered
UK hardiness
H7

Plant details

Baptisia australis size, habit and characteristics

Habit
Clump forming
Foliage
Deciduous
Suggested uses
Cottage and informal garden, Prairie planting, Wildlife gardens, Low Maintenance, Cut flowers, Banks and slopes, Flower borders and beds

Care notes

Pruning and caring for Baptisia australis

Propagation
Seed sown in pots in a cold frame as soon as seed is ripe, Division in early spring
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free

Frequently asked questions

Where is the best place to plant Baptisia australis?

Baptisia australis prefers full sun. It suits exposed and sheltered positions.

What soil does Baptisia australis need?

Baptisia australis grows best in loam and sand soil. It prefers acid and neutral soil. Aim for soil that stays well-drained.

Is Baptisia australis hardy in the UK?

Baptisia australis has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.

How do I propagate Baptisia australis?

Seed sown in pots in a cold frame as soon as seed is ripe, Division in early spring.

More in the Baptisia genus

Browse all Baptisia