Baptisia 'Twilite Prairieblues' - New! - False Indigo - 4" Pot Baptisia x 'Twilite Prairieblues' Color of Bloom: Dark Violet-Burgundy Hardy Zones 4-9, Mature Height: 4-5' Months of Bloom: Late Spring/Early Summer Immediate shipping in 4" pots. Dormant shipping in winter.