Veronica is a genus of about 200 species of herbaceous perennials . Veronica has tall spikes covered with showy, tubular or saucer-shaped flowers which bloom from spring to autumn. The flowers are so bright and beautiful, and attractive to many pollinators. Veronica comes in a wide range of sizes, from dwarfs that rarely exceed 10 cm (4 inches) to large specimens that can grow more than 1,5 metres (5 ft) in height. This plant prefers moist, but well-drained soil that is neutral, alkaline or acidic.