Can terracotta pots stay outside in winter?
Don’t leave terracotta pots outside in winter. These are non-glazed, porous clay pots that absorb moisture, creating a freeze-thaw heaving that can break or chip the pots. Terracotta, plastic, wood, and thin-walled ceramic containers can crack and break when exposed to freeze/thaw cycles. For safety’s sake, bring most glazed ceramics, plastic, composite and terracotta pots into a garage or basement when temperatures consistently dip below freezing.Metal, concrete and wood containers typically handle freezes well, as do fiberglass and resin pots. Some plastic pots also survive winter fine, but may become brittle over time. Winter sunlight can fade fiberglass and resin pots.Fiberglass, lead, iron, heavy plastic, and stone are the best weather-resistant containers to use; terra-cotta will eventually expand and crack with repeated freezing and thawing. Assemble your designs early enough that the plants have time to acclimate to their new pots before the hard freeze.
What planters can be left outside in winter?
Making sure your winter planters survive the chilly outdoors involves a few considerations before and after planting. Choose a non-porous but well-draining planter: Avoid clay or concrete planters, which are prone to cracking in the cold. Plastic and resin planters are a better option to protect your plants. Fiberglass, metal, glass fiber reinforced concrete, and UV-resistant plastic outdoor planters are all common selections based on their weather-resistant properties and overall durability.