Indigofera incarnata ‘Black and Blue’ – spreading perennial, 3 ft. tall, cobalt blue with black blooms emerge from black whorls along flower spikes, blooms June – October in full sun to part shade
DESCRIPTION: Gorgeous cobalt blue with black blooms emerge from black whorls along the tall flower spikes, rising from the lush, green, aromatic foliage. Excellent for adding dark, dramatic contrast to any garden. Sensational season-long, heat-loving color for sunny beds and borders. An herbaceous perennial in mild winter regions; treat as an annual elsewhere.
LIGHT: Full sun
WATERING: Allow soil to dry between waterings.
BLOOMS: Summer through fall
MATURE SIZE: Fast growing; reaches 3 to 4 ft. tall, 3 ft. wide.
Click on the following link for more info:
https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c834