How To Care For Hydrangeas Bush. Hydrangeas also benefit from an occasional boost of fertilizer once or twice a year in spring or summer. There are five considerations to keep in mind when caring for hydrangeas especially when the plants are still young.
Hydrangeas are not demanding with the light they receive. And if your flowers are looking sad Bladow suggests soaking the entire hydrangea in cool water for about 45 minutes. It might help revive your hydrangeas and increase their shelf life.
Shake them off cut the bottom of the stem and place them in water with flower food.
The pH must be between 45 and 65. They appreciate temperate climates. Stir to be sure the baking soda thoroughly dissolves. But most of them like morning sun and dislike the blazing heat of the afternoon.