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Sweet William
Scientific Name: Dianthus barbatus L.
Family: Caryophyllaceae

Recommended Temperature Zone: sunset: All zones USDA: 7-10 Frost Tolerance: Cool season annuals in Phoenix Heat Tolerance: Afternoon shade in hot areas Sun Exposure: Full sun Origin: Europe Growth Habits: Biennial , often grown as annual, up to 18 inches tall (45 cm), 12 inches spread (30 cm) Watering Needs: Regular water, well drained soil. Propagation: Seeds

Blooming Habits:
The flowers are white to pink to red, and are not very fragrant.

Propagation:
They can be started outside or inside. In mild winter areas, plant them or start them in late fall. In cold winter areas, start them inside 6 weeks before the last frost date, or sow them in place 2 weeks before the last frost date. Germination takes a week to a week and a half. Cover the seeds with a thin layer of mulch. Transplant or thin out 8 inches apart (20 cm). Deadhead regularly, and trim severely when the blossom slows down to get a second flush.