Temperature Range of Tomatoes Although mature plants can survive light frosts, temperatures below 40°F affect flower and fruit production, making tomatoes perennial only in US Department of Environmental Protection zones 12 and higher. … Pollen does not form properly in temperatures below 55 F.
Will my tomatoes survive 40 degree nights?
Temperature Range of Tomatoes Although mature plants can survive light frosts, temperatures below 40°F affect flower and fruit production, making tomatoes perennial only in US Department of Environmental Protection zones 12 and higher. … Above 95 F, flowers break off and produce no fruit.
What is tomato plants too cold at night?
Although tomato plants can survive temperatures as high as 33 degrees Fahrenheit, they show problems when temperatures drop below 50 degrees F, according to the U.S. Department of Agriculture’s Research Service.
What night temperature can tomato plants tolerate?
Temperature Range of Tomatoes Although mature plants can survive light frosts, temperatures below 40°F affect flower and fruit production, making tomatoes perennial only in US Department of Environmental Protection zones 12 and higher. … Above 95 F, flowers break off and produce no fruit.
How much cold can tomatoes take overnight?
Overnight temperature below 15.5°C (60°F) or above 24°C (75°F). What you might not think of when you see flower and fruit development is that the low temperatures the plant is exposed to weeks before flower buds appear can also affect flowering and fruit set.
Will 41 degrees harm tomato plants?
But tomato plants are also susceptible to cold damage at temperatures below 41 degrees. Cooling can result in stunted growth, wilting, surface pitting or necrosis of foliage and increased susceptibility to disease. … The optimum temperature for tomato growth and fruit production is 6075 degrees.
Is 45 degrees too cold for tomatoes?
Tomatoes are not cold weather crops. Temperatures below 50 degrees Fahrenheit can stunt the growth of seedlings.
What Temperature Kills Tomatoes?
Tomatoes (Solanum lycopersicum) are tropical perennials grown as annuals in temperate climates. Temperatures below 32 degrees Fahrenheit will easily kill tomato plants. Daily temperatures below 55 degrees stunt tomato growth and reduce tomato yield.
Is 40 degrees too cold for tomato plants?
A temperature of 40°F (or 4,444°C) is not fatal to tomato plants. So, yes, your tomato plants will survive a temperature of 40°F. In fact, tomato plants can survive temperatures as high as 33 degrees Fahrenheit (or 0.5556 °C).
What night temperature is suitable for tomato plants?
Tomato plants can survive temperatures down to freezing point, so a low temperature of 35 degrees will not kill them. … To ensure crop safety, protect tomato plants when temperatures of 35 degrees or less are expected.
Will a cold night kill my tomato plants?
Be prepared to cover your tomatoes when cold temperatures are forecast. If the forecast calls for temperatures between 30°F and 40°F, provide your plants with cover. You can also provide a heat source.