How To Look After Potted Hydrangeas. Make sure to keep your arrangement out of direct sunlight. Leaves of the hydrangea turning brown or black due to a late frost.
Consider planting dwarf hydrangeas such as Little Lime Mini Penny and Buttons n Bows. In fact potted hydrangeas wither more often than in the garden. Suppose the soil is dry water the hydrangea several times to soak the pot completely.
Prune peegee hydrangea and smooth hydrangea more drastically by cutting the plant down to 6 to 12 inches from the ground in early spring.
Small pots dry out faster and hydrangeas need moist soil. Leave about three inches 8 cm of space between the surface of the potting mix and the rim of the pot. 1 Place the hydrangea in the coolest room in your home. The next time you observe that your hydrangea is droopy.