If you mean individual stems throughout the season then yes, you can trim back daylilies after they flower. Once all the buds on the stem have flowered remove the whole stem, but not the leaves.
Cut off the old flowers the foliage will die back naturally in the Autumn.
If you cut the main flower back to the buds on the stem you will get a second flush of flowers.
Lilies are beautiful in the garden or as cut flowers.
Tiger lilies are a bulb, and will go dormant. The leaves will dry up and turn brown. When they do, it is safe to cut them all the way back. They will come back next year. If there are flowers that are wilting, you can deadhead them throughout the growing season.
Some gardeners do cut back the leaves in fall to prevent mold and disease.
In the fall.
Yes, lilies can continue to bloom after being cut if they are placed in water and provided with proper care.
It is best to plant lilies in the fall but you can plant them in spring.
Cut off the old flower stems leave the leaves.
No, but you can plant them from bulbs or seeds
Yes, lilies are perennial plants, meaning they come back every year.
To winterize lilies, you can protect them by adding a layer of mulch around the base of the plants to insulate the roots from the cold. You can also cut back the foliage after it has died back naturally and cover the area with a layer of straw or leaves for added protection. Additionally, consider planting lilies in a sheltered location to shield them from harsh winter winds.