Hydrangeas have large, beautiful blooms that create mounds of beauty in arrangements and bouquets. They are suitable for using fresh or dried. Place cut hydrangeas arrangements away from direct sunlight and heat. Keeping the flowers in a cool location will help keep the flowers fresh longer. Keep the flowers in water as much as possible while working with the cut stems. Hydrangeas stay fresh longer when they have a constant supply of fresh water and food.
Cut hydrangeas in the morning before the flowers dry out. Have a bucket of fresh water available to place the flowers in immediately after cutting.
Make a preservative by mixing 2 tbsp. of fresh lemon juice, 1 tbsp. of sugar and 1/2 tsp. of bleach in a quart of hot water. Use this water in the vase that will hold the arrangement.
Cut the stems again before arranging the flowers. Use a small hammer to crush the ends of the stem and allow the plant to absorb water more easily.
Remove leaves that will be below the water line in the vase and arrange the hydrangeas immediately in a vase filled with the hot preservative water.
Change the water in the vase every two days with fresh preservative water. Re-cut and crush the stems and return the hydrangeas to the vase.