Haxnicks Rapid RootrainersRootrainers encourage vigorous & strong root formation; roots grow straight, avoiding root balls and pot bound plants. Ideally suited for all bedding and container plants, salads and herbs. This size is especially good for cuttings. Plants that excel in rootrainers include: Bedding Plants e. g. Antirrhinums, Begonias, Bizzie Lizzies, Lobelia. Softwood Cuttings e. g. Chrysanthemums, Geraniums, Fuchsias, Heathers. Salad Plants e. g. Lettuce, Radish,