Start indoors 10-12 weeks before last frost date. Do not expose seedlings to temperatures under 55-degrees Fahrenheit. Harden them off by decreasing water, not temperature.
Try to ensure a gap of at least 0.99 inches (2.54 cm) when sowing to prevent overcrowding your seedlings.By our calculations, you should look at sowing Tango F1 about 91 days before your last frost date.
Cut one or two stalks for an extended harvest, or cut the whole plant at once.