If you have saved your amaryllis bulbs from last year, and you are not sure how to make them bloom, dont worry, it’s very easy.
At the end of the summer, start watering a little less as the plant enters dormancy. The plant will need to brought in before frost–it is a tropical and will be killed by the low temperature. You may want to dig the bulbs up and store them in a cool, dry place during dormancy, but it is OK to leave them in the container as long as they stay dry and cool (less than 60 degrees F). The bulbs will bud when they are ready to bloom again, if they have not done so by the end of the dormancy period, putting them in a warm sunny place and giving them a little water should bring them out. The bulb needs to be store for at least six weeks before coming out of dormancy, but some varieties may need a lot more time. You also want to allow your plant six to eight weeks to bloom after dormancy.
Given the proper care and timing, you should have a beautiful display through the holiday season. Nothing creates that cozy feel in your home like live decorations–the huge star-shaped amaryllis flowers will illuminate your holiday decor.