Cypella

Cypella crenata is a perennial ornamental plant that thrives in full sun and medium water. It grows to a height of 0.3–0.5 meters and blooms with purple and blue flowers from July to September. It is suitable for USDA zones 7–9 and prefers sandy, loamy, or chalky soils. This plant attracts pollinators but is not fragrant, not toxic, and not evergreen.