Wishbone Flower is an erect, bushy annual with toothed leaves and trumpet shaped flowers. The stems and 2 in opposite leaves are glabrous (without hairs) Needs rich, very moist, well-drained soil and is ideal for a cool greenhouse; plant in shade in hot regions. Plants make a compact, upright bush of eight to twelve inches in height. The pale violet flowers have deep purple blotches on the lower petals with yellow inside. The cool colors are a welcome relief during the heat of summer. Flowers bloom throughout the summer and autumn.