Blue False Indigo Baptisia australis

Blue False Indigo Baptisia australis was named 2010 Perennial Plant of the Year by the Perennial Plant Association.

It won the Royal Horticultural Society’s Award of Garden Merit in 1993.

Blue false indigo label

Blue false indigo label

Full sun, rich soil, drought tolerant once established
Back of the border, cottage gardens, native plant gardens, and native area of prairies and meadows.

Specimen plant or planted in small groups.

Plant Blue False Indigo with bulbs and other spring flowering perennials to make interesting combinations.

Blooms: Early Summer, Late Spring

Height: 3 to 4′
Spread: 3′ to 4′

Slow growth

The round shape and vertical flower spikes of ‘Purple Smoke’ make a stunning accent in borders. It is an excellent companion planting for spring-blooming bulbs, Hubricht’s blue star (Amsonia hubrichtii), Artemisia ludoviciana ‘Valerie Finnis’ and Nepeta mussinii ‘Dropmore’. The spring chartreuse foliage of large Euphorbia species and golden feverfew (Chrysanthemum parthenium ‘Aureum’) acts as a foil for the bluish green of ‘Purple Smoke’; and the bicolored orange-yellow flowers of our eastern native columbine (Aquilegia canadensis), or the yellow flowers of golden-spurred columbine (A. chrysantha) contrast strikingly with the darker flowers. Two honeysuckle vines, Lonicera x heckrottii and L. sempervirens ‘Sulphurea’, come to mind as colorful backdrops for the rich violet-purple flowers.”

Plant false indigo in a perennial flower border near peonies, iris and salvias to compliment those flowers. Place later blooming perennials, such as daylilies and coneflowers, in front of false indigo to take advantage of the dark green foliage back drop. False indigo can also be plant as a meadow plant or in the wildflower patch.”


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