North America Native Plant

Blue Wild Indigo

Botanical name: Baptisia australis var. aberrans

USDA symbol: BAAUA2

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Baptisia minor Lehm. var. aberrans Larisey (BAMIA)   

Blue Wild Indigo: A Rare Native Gem Worth Discovering Meet Baptisia australis var. aberrans, commonly known as blue wild indigo – a fascinating native perennial that deserves a spot on every serious native plant gardener’s radar. While you might not find this beauty at your typical garden center, this special ...

Rare plant alert!

Region: Conservation status by state

Status: S5T2: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Blue Wild Indigo: A Rare Native Gem Worth Discovering

Meet Baptisia australis var. aberrans, commonly known as blue wild indigo – a fascinating native perennial that deserves a spot on every serious native plant gardener’s radar. While you might not find this beauty at your typical garden center, this special variety of blue wild indigo offers something truly unique for those willing to seek it out.

What Makes This Plant Special?

Blue wild indigo (Baptisia australis var. aberrans) is a perennial native plant species that calls the southeastern United States home. You might also see it listed under its scientific synonym, Baptisia minor Lehm. var. aberrans Larisey, but don’t let the technical names intimidate you – this is simply a plant that has captured the attention of botanists for its distinct characteristics.

Where Does Blue Wild Indigo Naturally Grow?

This particular variety has a rather exclusive address book, naturally occurring in just four states: Georgia, Kentucky, North Carolina, and Tennessee. Its limited geographical distribution makes it something of a regional treasure in the southeastern native plant world.

A Word About Rarity

Here’s something important to know: Baptisia australis var. aberrans carries a Global Conservation Status of S5T2, which suggests this variety may be uncommon or rare in its natural habitat. If you’re considering adding this plant to your garden, it’s crucial to source it responsibly from reputable native plant nurseries or conservation organizations. Never collect plants from the wild, especially rare varieties like this one.

Why Consider Blue Wild Indigo for Your Garden?

As a native species, blue wild indigo offers several compelling reasons to include it in your landscape:

  • **Native Heritage**: This plant evolved alongside local wildlife and climate conditions, making it naturally adapted to southeastern growing conditions
  • **Perennial Reliability**: Once established, this perennial will return year after year with minimal fuss
  • **Conservation Value**: By growing rare native varieties, you’re helping preserve genetic diversity and supporting conservation efforts
  • **Educational Opportunity**: This plant can serve as a conversation starter about native plant conservation

Growing Blue Wild Indigo Successfully

While specific growing information for this particular variety is limited, members of the Baptisia family generally share some common preferences. Since this is a rare variety, here are some general guidelines for success:

  • **Start Small**: Begin with one or two plants to learn their specific needs in your garden
  • **Patience is Key**: Baptisia species are known for being slow to establish but long-lived once settled
  • **Research Your Source**: Work with nurseries that specialize in native plants and can verify the plant’s origin
  • **Document Your Experience**: Keep notes about what works in your specific location – this information could be valuable for other growers

The Bottom Line

Baptisia australis var. aberrans represents the kind of native plant that makes gardening an adventure. While it may require more effort to find and establish than common garden varieties, the opportunity to grow a rare native species can be incredibly rewarding. Just remember: always source responsibly, be patient with establishment, and consider yourself a steward of this special plant.

If you’re in Georgia, Kentucky, North Carolina, or Tennessee and have a passion for native plants, blue wild indigo might be exactly the kind of unique addition your garden has been waiting for. Happy gardening!

Blue Wild Indigo

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Fabales

Family

Fabaceae Lindl. - Pea family

Genus

Baptisia Vent. - wild indigo

Species

Baptisia australis (L.) R. Br. - blue wild indigo

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA