Description
Viola x cornuta. Viola Blue is an annual biennial evergreen that consists of clusters of oval leaves with vibrant bright purple-blue petals. These beautiful flowers bloom from late spring to summer. It thrives in sandy well-draining soil, requires partial sun, and has average watering needs. At maturity this plant can grow to measure 4 to 10 inches tall and wide. The nature of this plant makes it an ideal choice for beds, borders, containers and many different types of gardens. It is beneficial to this plant to cut it back after flowering. Viola Blue has hardiness zones from 3 to 7.