Temperatures for garden publications should be in Fahrenheit degrees in the following forms:

For positive degrees, place the number, followed by the degree sign (option-shift-8) and a capital F. There should be no spaces between the elements.
The average January temperature is 35°F.
The temperature should be 40°F–60°F.

For negative degrees, use an en-dash to create the negative.
The average February temperature is –35°F.



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