Spring flowering bulbs need fall or winter planting. If you can dig the soil, you can plant cold hardy bulb such as tulips, daffodils, crocuses, hyacinths and some lilies. The term "bulbs" covers many plants with specialized roots or stem bases. Only some of the plants commonly called bulbs are true bulbs. True bulbs include tulips, daffodils, grape hyacinths and lilies. Corms (crocuses or gladioluses), tubers (cyclamens or begonias), tuberous roots (dahlias) and rhizomes (irises) are often also called bulbs.Bulbs can give years of spring color with very little work. First, choose healthy bulbs that are firm and large, rather …