Growing Fruit Trees in Containers One unusual item you'll always find in Martha's garden? Horseradish. But there's a very specific way you should plant this root vegetable in your garden. Follow along as Martha explains how she Outsunny Plastic Raised Garden Bed, 4 x 1 x 1 ft Outdoor Flower Box with Drainage Holes for Vegetables, Herbs, Blue Sacred Lotus Experimental Farm Network Seed Store