1. Choose the right varietyWhile talking to gardening expert Tony O'Neill, he mentions that one of the most important things to consider when planting hydrangeas in pots is the variety.

“For popular container-grown plants such as hydrangeas, gardenias, and azaleas, choose well-draining soil that facilitates adequate airflow, moisture retention, and nutrition,” explains McConnell.

and bigleaf and oakleaf hydrangeas in zones 7-9. Container plants will need additional protection, especially in the colder range of these zones. When overwintering potted hydrangeas outdoors ...