Petunias are the most well known annual, summer-flowering plants. They are native to South America and feature green leaves and funnel-shaped, often fragrant flowers, borne from mid-spring to late autumn.
Latin name: Petunia "Polo Blue Star"
Grow in sunny, wind-sheltered sites, in humus-rich, moderately moist, well-drained soils.
Plant in gardens and lfowerpots.
Propagated by seeds in early spring.
Variety with large, single, bicoloured, purple and white flowers.