Bradley Seed Brand - Daikon Radish Seed - In the past 10 years this crop has become very popular with deer hunters, row crop farmers and gardeners. The main drive is its large tap root. It is very good at penetrating hard soils and is a good food source for deer. This also can be grown in the garden, harvest early for tender smaller roots, they grow fast. Daikon Radish seeds needs to be worked in under soil some or drilled for best results. Daikon radishes are a "Winter Annual" typically planted in the fall. Best practice is to check with your local extension office as to best planting times for your region.