An Online Resource for Bulbs, sponsored by the University of Illinois Extension.
The term "bulb" is used by most people to refer to plants that have underground, fleshy storage structures. Only some of the plants commonly called bulbsactually are bulbs. The definition of a bulb is any plant that storesits complete life cycle in an underground storage structure.
The primary function of these underground storage structures is to store nutrient reserves to ensure the plants' survival.
Bulbs & More provides bulb planting information such as: