When your peonies arrive, use a knife to scrape and split the stem ends, then submerge them in tepid water for several hours to encourage water absorption and the opening of the blooms. Transfer stems to cool water. Fill a clean vase about halfway with fresh, cool water; add one pack of the included cut-flower food to the vase. Hold each stem next to your vase to gauge how much you'll need to trim. Remove any foliage (leaves) that falls below the waterline. Using a sharp knife, cut stem ends underwater at a 45-degree angle. Arrange in the vase as desired.
Recondition peonies every two to three days: Recut stems, change the water, and add nourishment. Use the extra pack of food with your first water change. Keep flowers in a cool area out of direct sunlight.