Answer: After your daffodils finish blooming you can cut off the flower stalk but you'll want to leave the foliage alone. Eventually it will die down to ground level. When it does, you can dig the bulbs, cut off the dead foliage, and replant the bulbs. It's better for the bulbs if you replant right away rather than storing them. This way they'll be positioned to grow as soon as the weather dictates.
As you dig and separate the bulbs you can cut off the old foliage. Replant them by setting them into the ground twice as deep as the bulbs are wide (depending upon size of bulbs, some may be planted deeper than others). Allow at least 6" between bulbs. When you've finished replanting the bulbs you can plant annual or perennial flowers over the tops of the bulbs. This will give you some color throughout the growing season and keep the bulb bed from sprouting weeds all summer long.
Best wishes with your daffodils!
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