The goal is to eliminate the possibility of water being absorbed frozen and thus causing the pot to crack.
Ceramic pot wintering.
Definitely move ceramic containers indoors for the winter.
You can sometimes find styrofoam pots.
If the day temperatures are above freezing during the winter and there is no snow cover on your pots and it hasn t rained in a week or more crack out the garden hose and provide your plants with a through watering.
Storing ceramic containers for winter.
Untreated porous containers such as terra cotta and ceramic tend to crack and break with freezing and thawing.
Ceramic being even more brittle than terracotta the slightest crack can quickly split the pot in two.
Leaving terracotta pots out in the winter can cause damage.
While the coating on ceramic pots keeps the moisture out for the most part small chips or cracks will still allow some in.
Your climate determines which types of pots will do best in winter.
Much like terracotta and clay pots it is not a good idea to store ceramic pots outside in the winter.
The roses in pots cannot be allowed to have their roots dry out as the plant then runs the risk of death from desiccation.
In his usda zone 4 garden ray mims director of horticulture at the denver botanic gardens likes the look of his large terra cotta pots and wants to use them all.