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Definition of wild indigo
wild indigo
Plural:wild indigos
• noun
1
Any of various North American perennial flowering plants of the genus Baptisia in the pea family (Fabaceae), cultivated for their tall spikes of showy, pea-like blossoms in shades of blue, purple, yellow, or white and historically used to produce a substitute for true indigo dye.
Example
"The gardener planted clumps of blue wild indigo along the sunny border to attract bumblebees in late spring."
Synonyms
View all synonyms for wild indigo• Nearby Words
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Wild indigo. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/wild-indigo