โ๏ธ๐จ Frost Alert! What to Do When a Sudden Cold Snap Hits Your Patio Pots
December cold snaps have a way of sneaking up on container gardeners. One mild dayโฆ then suddenly the temperature drops overnight and your patio pots are caught in the crossfire. The good news? You can protect your container plants quickly. Even at the last minute, if you know what matters most when frost hits. This guide will help you decide what to move, what to cover, and what to leave alone, so your plants make it through winter cold without damage. ๐ก๏ธ Why Containers Are More Vulnerable Than In-Ground Plants Plants grown in containers donโt have the insulation of surrounding soil. Their roots are exposed to: * colder air temperatures * wind chill * rapid freezeโthaw cycles Roots are often damaged before leaves show stress โ which is why prevention is key. ๐ชด ๐๐ญ๐๐ฉ ๐: ๐๐๐๐ข๐๐ ๐๐ก๐ข๐๐ก ๐๐จ๐ญ๐ฌ ๐๐๐๐ ๐๐ฆ๐ฆ๐๐๐ข๐๐ญ๐ ๐๐ญ๐ญ๐๐ง๐ญ๐ข๐จ๐ง ๐๐ข๐ ๐ก-๐ฉ๐ซ๐ข๐จ๐ซ๐ข๐ญ๐ฒ ๐ฉ๐จ๐ญ๐ฌ (๐ฉ๐ซ๐จ๐ญ๐๐๐ญ ๐ญ๐ก๐๐ฌ๐ ๐๐ข๐ซ๐ฌ๐ญ): * Herbs (especially rosemary, basil, parsley) * Citrus or fruit trees * Annuals youโre trying to overwinter * Terracotta pots * Newly planted containers * Small or shallow pots ๐๐จ๐ฐ๐๐ซ-๐ฉ๐ซ๐ข๐จ๐ซ๐ข๐ญ๐ฒ ๐ฉ๐จ๐ญ๐ฌ: * Hardy perennials rated well below your temps * Large containers with thick walls * Evergreen shrubs in insulated pots When time is short, focus on tender plants + small pots. ๐ก ๐๐ญ๐๐ฉ ๐: ๐๐จ๐ฏ๐ ๐๐ก๐๐ญ ๐๐จ๐ฎ ๐๐๐ง (๐๐จ๐๐๐ญ๐ข๐จ๐ง ๐๐๐ญ๐ญ๐๐ซ๐ฌ ๐๐จ๐ซ๐ ๐๐ก๐๐ง ๐๐จ๐ฏ๐๐ซ๐ฌ) If possible, relocate containers to: * against the house foundation * under a porch or eaves * inside a garage or shed (even unheated helps) * inside overnight, then back out during the day Even ๐โ๐๐ ๐๐๐ ๐ซ๐๐๐ฌ ๐จ๐ ๐ฉ๐ซ๐จ๐ญ๐๐๐ญ๐ข๐จ๐ง can make the difference. ๐งฃ๐๐ญ๐๐ฉ ๐: ๐๐ง๐ฌ๐ฎ๐ฅ๐๐ญ๐ ๐๐จ๐ญ๐ฌ (๐๐จ๐จ๐ญ๐ฌ ๐
๐ข๐ซ๐ฌ๐ญ!) If moving isnโt an option, insulate. ๐๐ฎ๐ข๐๐ค ๐ข๐ง๐ฌ๐ฎ๐ฅ๐๐ญ๐ข๐จ๐ง ๐จ๐ฉ๐ญ๐ข๐จ๐ง๐ฌ: * Wrap pots in towels, blankets, or burlap * Use bubble wrap under fabric layers * Place pots inside cardboard boxes (leave tops open) * Group pots tightly together ๐๐ฆ๐ฉ๐จ๐ซ๐ญ๐๐ง๐ญ: Protect the pot, not just the plant top. Frozen roots = plant failure. ๐ฟ ๐๐ญ๐๐ฉ ๐: ๐๐จ๐ฏ๐๐ซ ๐ญ๐ก๐ ๐๐ฅ๐๐ง๐ญ (๐๐ง๐ฅ๐ฒ ๐๐๐ญ๐๐ซ ๐๐ง๐ฌ๐ฎ๐ฅ๐๐ญ๐ข๐ง๐ ๐ญ๐ก๐ ๐๐จ๐ญ) ๐๐ฌ๐: * frost cloth