Daffodils, paper whites, jonquils and other members of the narcissus family can be grown indoors as well as outdoors. Growing daffodils inside is one way to extend the beauty and brightness of spring to the rest of the year. You may have to "trick" the bulbs a bit to get them to bloom, but you can grow daffodils indoors. Knowing how to care for daffodils inside is important to their success.
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Select firm, double-nosed bulbs when you shop, so that you can get two blooms from each plant.
Place the bulbs in the refrigerator (not the freezer), wrapped in a dark wash cloth. Keep them dark and cold to mimic the frozen winter ground.
Leave the bulbs in the refrigerator for a few weeks.
Prepare a pot to plant them in. Daffodils can be grown in a clear vase, with marbles instead of soil. Use a liquid fertilizer weekly if you choose the marbles method. It's pretty, but because there are no nutrients in marbles, fertilization is necessary.
Keep your daffodil bulbs near a sunny window. Make sure they get at least 4 to 6 hours of sunshine each day. It will take 6 to 10 weeks from the time they come out of the refrigerator until the time they bloom.
Divide the bulbs after the foliage has died away. It's the foliage that absorbs the sunshine and makes nutrients to "feed" new bulb growth.