Longbract Wild Indigo
Baptisia bracteata
- Native to:
- United States
Eric Hunt





Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Fabaceae
- Genus:
- Baptisia
- Species:
- Baptisia bracteata
- USDA Symbol:
- BABR2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 45 cm
- Light Requirements:
- Full Sun,Part Shade
- Drought Tolerance:
- High
- Bloom Months:
- apr,may,jun
- Bloom Colors:
- cream, yellow
- Ground Cover:
- Yes
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★☆☆ Butterfly & moth species supported by this genus (NWF)
Host Plant for Caterpillars
Wild Indigo Duskywing (Erynnis baptisiae)
Reported Fauna Sightings
Bees: Black and (Bombus auricomus), Brown-belted bumble (Bombus griseocollis)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, birds
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Vigorous resprout from deep taproots and woody crown following fire. Common in fire-maintained prairies and responds well to prescribed burns.
Soil Requirements
- Soil Type:
- well-drained, sandy or loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 14–30 days
- Notes:
- Seed coat is very hard; hot water treatment or mechanical scarification significantly improves germination rates. Stratification after scarification recommended.
The above propagation data sourced from Claude AI
Pre-treatment: Mix seed with equal amounts of vermiculite and lightly dampen in a plastic bag or container. Store this seed for 3-4 months in a cold room of 34-36 degrees F.
Establishment: Seed is collected by hand from nursery stock. The plant flowers most of May and June. Seed is harvested in the beginning of August.
Source: npn.rngr.net