How To Care For Hydrangeas In A Vase. Using Alum Spice To Help Cut Hydrangeas. Remove any foliage that would rest below your vases waterline to prevent introducing harmful bacteria to your hydrangeas drinking water.
Fresh water will help your hydrangea blooms stay properly hydrated and prevent them from wilting as quickly. This will allow the hydrangea to drink more water. Make sure to keep your arrangement out of direct sunlight.
Refill the vase with fresh room-temperature water.
It might help revive your hydrangeas and increase their shelf life. Follow the same instructions you used when originally preparing your hydrangea cut flowers. Refill the vase with fresh room-temperature water. Cut the stems as long as you can because they.