Seed Needs, Black Spanish Radish (Raphanus sativus) 500 Seeds Non-GMO Quality Radish seeds packaged by Seed Needs. Intended for the current and the following growing season. Packets are 3.25" wide by 4.50" tall and come with a full colored illustration on the front side, as well as detailed sowing instructions on the reverse. Black Spanish will produce 3 to 4 inch, extra large roots in a dark gray, ashy black coloring. The inner core is white and can be eaten raw, or used to dress up salads and add flavor to sandwiches. Black Spanish is ready for harvesting in roughly 60 days. This variety prefers cooler temperatures and performs best in early Spring and late Fall. All Radish seeds sold by Seed Needs are Non-GMO based seed products and are intended for the current & the following growing season. All seeds are produced from open pollinated plants, stored in a temperature controlled facility and constantly moved out due to popularity.