Start indoors 4-6 weeks before last frost and plant out 2 weeks before frost; or direct seed 2 weeks before last frost. For fall harvest, transplant 8–12 weeks before first frost. In a hoop house, you can plant 2-3 later. We seed in March under cover, first of May in the open. We seed from July 1 to August 15 for fall harvest in zone 8b. Broccoli grows best in the 60s˚F so plant for best temperatures in your area. For seed in Zone 7b or warmer, direct sow in early January under Row cover. Soil pH 6.0-7.5. Hardiness zones 4-10. Biennial.
Days from maturity calculated from the date of seeding. Average 6,000-9,000 seeds per ounce. Average 58M seeds per acre. Federal germination standard: 75%. Usual seed life: 5 years. Isolation distance for seed saving: 1 mile.
Planting Depth
1/4-1/2”Soil Temp. Germ.
65-75˚FDays to Germ.
5-10Plant Spacing
18”Row Spacing
24-36”Days To Maturity
220Full Sun,
Moist Well Drained