Blue Wild Indigo (Baptisia australis)
Blue Wild Indigo (Baptisia australis)

Blue Wild Indigo (Baptisia australis)

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Use as a small shrub in a lawn, or put in the middle or back of a perennial bed. Excellent plant.
Item #: BAAUSs
Binomial Baptisia australis

Attractive and different because of its smooth grayish-white stems and rounded leaflets. Blue flowers tower above the foliage. Looks good by itself as a specimen or in the background behind other species.

Blue wild indigo is a long-lived perennial; there is a 30-year-old plant growing in a sunny lawn in central Missouri that gets about 4 feet tall and 4 feet in diameter with many flowers each year.

Uses: butterflies, bees, drought resistant
Bloom time: May & June

Height: 2 to 3 feet
Space: 2 to 3 feet

Sun: Full sun
Moisture: Dry to average

Seed is fairly easy to germinate. Scarify it with sandpaper before sowing, and
it should germinate within a week or two. You can also soak the seed in
warm water overnight to start the process. Otherwise, sow it outdoors between
November and January for good results.

The following seeding rates should deposit about 10 seeds per square foot:
  • 200 seeds per packet
  • 1,500 seeds per ounce
  • 1 ounce per 150 square feet
  • 18 pounds per acre

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