Indigofera heterantha (syn. Indigofera gerardiana), commonly known as Himalayan indigo, is a species of flowering plant in the legume family Fabaceae. It is native to the northwestern Himalayas of Tibet, in Asia.
Indigofera heterantha is a deciduous shrub growing to 2–3 m (7–10 ft) tall and broad, with pinnate leaves, each leaf carrying up to 21 grey-green oval leaflets, and racemes of purple pea-like flowers in summer.
Indigofera heterantha is cultivated as an ornamental plant for a position in bright sunlight. It is drought tolerant and very hardy, down to −15 °C (5 °F) However, in colder areas it can be herbaceous, meaning that at the end of the season it dies back down to ground level before regrowing the following year.
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- Harrison, Lorraine (2012). RHS Latin for Gardeners. United Kingdom: Mitchell Beazley. ISBN 184533731X.
- "RHS Plant Selector - Indigofera heterantha AGM". Royal Horticultural Society. Retrieved 2013-05-20.
- "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 52. Retrieved 12 March 2018.