Blue False Indigo

Baptisia australis

Short spikes of indigo-blue, pea-like flowers cover dense, blue green foliage. This showy, long-lived, bushy perennial is excellent for massing or at the back of the border. Attractive seed pods in early summer follow the flowers. Great cut flower.
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Full sun, Partial sun

Needs regular watering - weekly, or more often in extreme heat.

We no longer grow this plant

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Botanical Pronunciationbap-TIS-ee-uh aw-STRAL-iss
LoreNative Americans used this as a dye plant for blue coloring even though it was vastly inferior to the indigo of the tropics and trade.
Average Size at MaturityModerate grower to 4 ft. tall and wide.
Bloom TimeLate spring to early summer
Design IdeasA big bushy plant to flesh out sparse border with rich blue flowers. Combines well with most American native species and blends well with grasses for meadow gardens. Grow as a cut flower. Particularly good massed for a large sea of delicious cool blue.
Deciduous/ EvergreenHerbaceous
Flower AttributeFlowers for Cutting, Showy Flowers
Flower ColorBlue
Foliage ColorBlue-green
Garden StyleRustic
Growth RateModerate
Landscape UseBorder, Firescaping/Firewise, Water Garden, Cutting Garden
Light NeedsFull sun, Partial sun
Soil NeedsFlower & Rose Food
Special FeatureAttracts Butterflies, North American Native Selection, Tolerates Poor Soils, Waterwise
Water NeedsModerate
Watering NeedsNeeds regular watering - weekly, or more often in extreme heat.
Companion PlantsForsythia (Forsythia); Bee Balm (Monarda); Lilac (Syringa); Eastern Snowball, (Viburnum); Salvia (Salvia)

Follow a regular watering schedule during the first growing season to establish a deep, extensive root system. Feed with a general purpose fertilizer before new growth begins in spring. Prune old flower heads to encourage more blossoms.

This Plant's Growing Zones: 3-9

Your USDA Cold Hardiness Zone:

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