When I bring in the potted Hydrangea for the winter, does it need to be watered during the time it's inside? Will be in a garage and could go below freezing at times during the winter.
Care of Potted Hydrangea
Certified GKH Gardening Expert
I like to check the pots throughout the winter months.
You can add a bit of moisture each month to keep the soil from drying out completely.
Add a few inches of leaves or wood chips mulch to the top of the pot to help with moisture retention.
You want the pot to stay in a fairly constant temperature. Cold is good and below freezing is fine.
Thawing and then refreezing is harmful to the roots.