Radish - Rambo (Organic) - Microgreens Seeds8 12 days. Rambo radish is another striking radish that boasts the same wonderful dark cotyledons as Sango radish. The rosy stems and bright floral flavor add both a tasty and spicy flair. Use instead of sliced radish anywhere you would normally use radish. Radish Rambo (Organic) Microgreens Seeds Latin Name: Raphanus sativus Presoak: No Soak Preferred Growing Medium: Soil or Hydroponic Seeding Rate (weight per 10"x 20" tray): 1 oz. Blackout Time: 1 2