Hi Cathryn
Are you referring to the bulbs or cut flowers?

Daffodils are usually not dried but can be if you use silica gel. To do this, cut the fully opened flowers with 1-2 inch stem and place in a container filled 1/2 with silica gel. Insert the stem first into the gel and then pour the rest to cover the flower being carefull not to crush the flower. Cover and let is sit until the gel indicates a slight pink color. Another way is to air dry in a vase if the humidity is low. As with most dried flowers, the color will darken.

Narcissus is the genus to which both daffodils and jonquils belong. Daffodil is commonly used for Narcissus but not all narcissus are daffodils. Jonquils are a specific variety of Narcissus.

Once they are finished blooming, pinch off the flower head and allow the foliage to die back naturally. This process replenishes the bulb with nutrients that it will need for next season. Cutting, braiding or tying the foliage reduces the amount of food being stored and can result in no flowers or no plants in subsequent years. The unsightly, yellow or brown foliage can be trimmed or hidden when you interplant with annuals and perennials. Plants such as : daylilies, ferns, hosta, periwinkle, pasque flower, coral bells are good partner plants that come up in spring and will screen the dying leaves.

Your tulips will survive. They are hardy and even if the leaves get nipped by the frost, the flower is still deep inside so that it will not be affected. It will take lower temperatures than 27 to kill your tulips. If your flowers are already out; cover them with a loose mulch/straw to weather them through the cold temperatures.