ANSWERS: 1
  • <h4 class="dechead">On One Hand: Plant at 50 Degrees Fahrenheit

    Tomato plants can generally be planted when a temperature consistently reaches 50 degrees Fahrenheit. Any colder than 50 degrees and tomatoes may not grow at all or may be susceptible to disease. Tomatoes will begin to bloom once the temperature is consistently 55 degrees Fahrenheit, which includes overnight low temperatures.

    On the Other: Plant at 75-95 Degrees Fahrenheit

    Tomatoes grow fastest between 75 to 95 degrees Fahrenheit. Tomatoes are very susceptible to disease and frost damage, making any temperature below 57 degrees Fahrenheit a risk to the health of the tomato and the consumer. Air temperature is only one factor of tomato growth, as soil temperature is equally important. Ideal soil temperature for tomato growth is 50 to 55 degrees Fahrenheit.

    Bottom Line

    Although many tomato growers want to grow their tomatoes as soon as conditions allow, overnight lows can severely damage tomato plants and reduce the quality in taste of a tomato. Optimally, tomatoes should be grown after normal temperature are between 75 to 95 degrees, and chances of temperatures dropping below 55 degrees Fahrenheit are minimal.

    Source:

    Growing Tomatoes

    University of California: Master Gardner Tomato Advice

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