How to Freeze-Dry Calla Lillies
Preserve calla lilies by freeze-drying the flowers. This involves placing them in a freeze drier at a temperature below freezing. The freeze dryer will remove the moisture from the flower. Freeze dryers are expensive and are typically used by floral professionals, but if you have access to one, you can freeze-dry the calla lilies to preserve them to use in flower arrangements or other decorations.
- Moderately Challenging
things you’ll need:
- Scissors Vase Water Freeze drier Black fabric
- Choose the calla lilies you wish to freeze-dry. Cut the stems of the lilies with scissors at a 45-degree angle and place them in a vase with water. Leave them in the vase for 12 hours.
- Remove the lilies from the water. Remove the leaves from the stems, and cut the stems to the desired length.
- Turn on the freeze drier and the vacuum. Set it to minus-5 degrees Fahrenheit. Turn the vacuum on for 10 seconds to seal the door.
- Open the freeze drier and place the lilies into the chamber. Space them 2 to 3 inches apart on the racks.
- Close the door on the freeze drier and turn off the light inside. Cover the window of the freeze drier with black fabric and turn the vacuum back on.
- Leave the lilies in the freeze drier for 24 hours. Set it to zero degrees Fahrenheit after 24 hours. Raise the temperature in 5-degree increments every two days until you reach 20 degrees Fahrenheit.
- Open the freeze drier and remove the flowers. Use them for decorations or flower arrangements.