Browallia

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Browallia is grown as an annual, producing an abundance of starlike white, blue, or purple flowers from late spring through summer. Ranging in height from 8 to 18 inches tall, browallia thrives in partially- to fully-shaded areas in moist, rich, well-drained soil.

It creates a bold display in mass plantings and can beautifully fill spots in shade and rock gardens. It also can be grown in hanging baskets and other containers. Sow seeds indoors six to seven weeks before the last frost with soil that maintains a temperature on or near 70 degrees F. Plant 6 to 12 inches apart outside in spring once temperatures remain over 40 degrees Fahrenheit. May not flower in areas with short, cool summers. Browallia may self-sow and in warmer regions, live through the winter.Notable Varieties'Bells' hybrids produce an abundance of white or blue on graceful stems and grow 10 to 12 inches tall.'Starlight' series plants are dwarf varieties that flower early in dark or sky blue or white.'Troll' hybrids are white or blue on compact 10-inch-tall plants.CareGive partial shade in hot regions; full sun in cooler areas. Needs rich, moist, but well-drained soil. Water and feed moderately. Pinch young plants to encourage bushiness. Dig up, pot, and bring plants indoors for winter enjoyment for several weeks.PlantingBuy nursery transplants to plant in spring after the last frost or sow seeds indoors 6 to 8 weeks before the last frost. Plant 6 to 12 inches apart outside in spring once temperatures remain over 40 degrees F.Pests and DiseasesWhitefly is a common problem, while botrytis occasionally is troublesome.