Green Sprouting Calabrese Broccoli is a OPEN-POLLINATED, HEIRLOOM with 85 days maturity. Delicious, old-fashioned Italian variety with tight heads that can grow up to 8” in diameter. Green Sprouting Calabrese Broccoli is bluish-green and compact. 30-36”H erect leafy plants with abundant side shoots through fall. Frost resistant. Fresh Markets, Home Gardens.Approximately 9,000 seeds per ounce or 144,000 seeds per pound.