Common name: Indigotier, Indigotier de Gérard, False indigo
Height at maturity: 2 to 3 meters
Hardiness: -20°C and more
Plant type: flowering shrub
Flowering: summer and early fall
Flower color: purple pink
Soil type: sandy
Watering: very little
Use: hedge, shrub bed, flowering hedge, loose hedge
Diseases and pests: aphids
Storage of seeds: 2 years in a dry place away from light at 3/4°C (refrigerator)
The indigo tree offers a profusion of flowers, from June to September appear flowers of 1 to 2 cm in diameter of purple pink color, in the shape of butterflies. They are gathered in clusters 6 to 15 cm long.
It is a spreading shrub with arching branches. The leaves are 6 to 10 cm long, pinnate, grey-green, and are composed of twenty-one oval leaflets.