Early Spring Rapini (Brassica rapa), despite its appearance and the obvious name correlation to the cabbage family, is actually related to the turnip family. Well known to Italian and Mediterranean cuisine, Rapini has a sharper flavor than broccoli; more of a broccoli-mustard or asparagus flavor. The non-heading broccoli types are often easier to grow than full-headed types Germination in 5-17 days, maturity in 45-50 days