Choosing the right bulbs involves more than just selecting colors and cultivars. Timing, bulb size, and most importantly, bulb health are equally significant factors in designing your spring garden.
Before purchasing any bulbs, know the differences in bulb types. Along with true bulbs, several types of flowers, sold as bulbs, grow from the underground stem growth of rhizomes, tubers, and corms.
True bulbs are rounded, self-sufficient, underground storage organs. True bulbs are an incubator for a flower bud embryo already inside.
Many perennial flowers grow from tubers, which are flat underground stems that store food and plant energy.