Bulbs a collection of underground leaves, modified for food storage. All bulbs are monocots. Examples include lilies, daffodils, onions, tulips, and hyacinths. Corms underground stems, modified for food storage. Examples are crocus and gladiolus.
Planting is the same as for bulbs.
Tubers underground stem tips, modified for food storage. Examples are potatoes and the caladium. Tuberous Roots swollen underground roots with a piece of stem attached, modified for food storage. Rhizomes thick, short, above-groud stems that store food and water and send up new growth along their length. Dig a hole 3 times deeper than the widest diameter of the bulb.