Answer: Baptisia, false indigo, is an easy to grow, low-maintenance, long-lived perennial that is hardy to zone 3. At maturity a Baptisia gets about 3-4 feet in height and width, but it can take a ...

Here are some of the most common blue-flowering native plants, suitable for landscape and container growing. 1. Blue False Indigo A long-lived perennial, false indigo (Baptisia australis ...

As a bonus, Blue False Indigo also attracts pollinators that can be beneficial to your vegetable garden along with butterflies. There is a caveat, however. This plant can be toxic to humans.