¡®Blue Boa¡¯ blows us away with super-showy, extra-large flowers, massive, larger than life 4-5¡¯ plants, and four months of glorious color. Heat- and humidity-tolerant, high-performance plants unleash torrents of rich, purple-blue blooms on sturdy spikes, dark-purple buds 1 inch in diameter, producing stunning 5 inch flower clusters. Fragrant, vase-perfect flowers tower over the ultragreen clumping foliage. Easy to grow and easy to love. An alluring destination for insects, bees, and hummingbirds. Provides a colorful spectacle massed in a meadow, or sun-bathing in a perennial border