Start indoors 4-6 weeks before last frost, plant out or direct seed after frost. Tender annual that does not tolerate frost. If growing for seed, grown in greenhouse in Zone 7B or cooler to avoid early frost. Optimum growing temperatures 60–70˚F. Keep moist until germination. Seeds require light to germinate, press into soil, do not cover. Soil pH 5.5-7.5. Hardiness zones 2-10. Annual.
Days from maturity calculated from the date of seeding. Average 44,000 seeds per ounce. Federal germination standard: 70%. Usual seed life: 5-10 years. Isolation distance for seed saving: 2 miles.
Planting Depth surface
Soil Temp. Germ. 65-80˚F
Days to Germ. 4-8
Plant Spacing 6-12”
Row Spacing 24-30”
Days To Maturity 100-110Full Sun
, Moist Well Drained