Broccoli Raab Brassica rapa 12 in. Hardy Annual/Reseeding Tender young leaves and stems form small florets with a mild flavor reminiscent of broccoli and turnip. A good source of protein as well as many vitamins and minerals. (40-60 days) -130 seeds. Planting Depth: 1/4″ Soil Temp. for Germ.: 50-70 F Days to Germ.: 4-10 Plant Spacing: 12″ Days to Maturity: 40-60 Partial Shade to Full Sun Moderate Water