Answer: Typical spring bulbs would include crocus, daffodils and tulips. Summer bulbs would include lilies (lilium). Fall bulbs would include fall-blooming crocus (colchicum) and winter bulbs would include the amaryllis and paperwhites used for holiday forcing. For a more in-depth look at the subject including planting and care, you might enjoy "Flowering Bulbs for Dummies" by Judy Glattstein ISBN 0-7645-5103-5. It discusses over 400 bulb types!
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