Scientific Name: Dianthus barbatus L.
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Recommended Temperature Zone:|
sunset: All zones
Frost Tolerance: Cool season annuals in Phoenix
Heat Tolerance: Afternoon shade in hot areas
Sun Exposure: Full sun
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.
The flowers are white to pink to red, and are not very fragrant.
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.