Do I need to cover tomatoes for frost?
Use a Cover to Protect Tomatoes
When frost or temperatures are in the forecast for overnight (mid-30s or even 40ºF), cover your tomato plants with clear plastic or a tarp. If you face an extended cold pattern, consider using quality frost protection regularly.
What is the lowest temperature tomatoes can tolerate?
Although tomato plants can survive temperatures down to 33 degrees Fahrenheit, they show problems when temperatures drop below 50 degrees F, according to the U.S. Department of Agriculture Research Service.
Will a sheet protect tomatoes from frost?
Sheets, blankets, and clear plastic for frost protection. Some gardeners have success protecting tomatoes from frost the old-fashioned way – by covering plants with bed sheets, blankets, or sheets of plastic. The layer provides insulation, keeping cold out.
Will tomatoes survive a frost?
Surprisingly, tomatoes can survive a light freeze if it is not accompanied by frost, provided temperatures don’t dip below 28-30ºF. A frost, on the other hand, is localized. Low temperatures may or may not reach freezing, but moisture must be in the picture for frost to develop.