The optimal soil temperature for tomatoes is 65–75°F; melons require even warmer soil, 75–90°F, for active growth.
May 16, 2026
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May 16, 2026 1 a.m.
Why your tomatoes hate cold soil (and when it’s finally safe to plant warm-season crops)
Just because you’re wearing shorts and covered in sunscreen doesn’t mean it’s time to plant your tomatoes.