6-10 Days to maturity. Raphanus sativus. Hong Vit Radish Microgreen Seeds. Hong Vit Radish is a popular radish microgreen choice loved for its attractive stems with curly leaves and spicy flavor. They are quick to mature and require little care to yield a comparatively large amount of flavor and nutrition. Where you would normally use raw, sliced radishes as a garnish or flavor component, use microgreens! Have fresh, locally grown produce year-round by growing microgreens. ~3,500 seeds/oz.