Radish, Jackhammer 1 Radish, JackhammerJackhammer radish is a fast growing daikon radish that is a great scavenger. Starts germinating immediately and very easy to grow. Winter kills and turns into great biomass.Type: BroadleafSeason: Cool Season radishRadish, Jackhammer2017-08-212017-08-21https://greenseedag.com/file/2017/08/gsa-logo-light.pngGreen Seed Ag, LLChttps://greenseedag.com/file/2017/08/radish-jackhammer.jpg200px200px