Much like terracotta and clay pots it is not a good idea to store ceramic pots outside in the winter.
Ceramic pot wintering.
Ceramic being even more brittle than terracotta the slightest crack can quickly split the pot in two.
Plus ceramic has no capacity for expansion and will likely crack as the soil it contains freezes and expands.
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.
Winter doesn t mean you can t have plants in your yard but if you have potted ones on your deck or patio you should be careful which materials those containers are made out of.
You can sometimes find styrofoam pots.
There are steps that can be taken to help prevent your pots from cracking when old man winter whips through your garden.
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.
The roses in pots cannot be allowed to have their roots dry out as the plant then runs the risk of death from desiccation.
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.
The goal is to eliminate the possibility of water being absorbed frozen and thus causing the pot to crack.
Storing ceramic containers for winter.