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Plant · P-942
Wild Indigo
Baptisia tinctoria
Wild indigo is a nitrogen-fixing perennial in the pea family, grown for its yellow flowers and as a source of a blue dye once used as a substitute for true indigo. Native to eastern North America, from New England south to Florida and west to Louisiana and Minnesota, it grows wild in dry open woods and clearings on sandy, acidic soil. It wants full sun and tolerates both dry and moist well-drained ground once established.
Record at a glance
Growing profile
- Sun
- Full Sun · Partial Sun
- USDA zone
- USDA 3–9
- Soil
- Sand · Loam
- Moisture
- Dry · Well-Drained · Moist
Vertical layer
Herbaceous- Soil pH
- 6–6
- Plant type
- Perennial
- Mature height
- 24–36 in
- Mature spread
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The deeper layer