The Q&A Archives: Blooms Falling Off Tomato Plants

Question: I have some really nice looking tomato plants which are producing lots of blooms, but the blooms break off and die without producing fruit.

Answer: Tomatoes are warm-season plants that need nighttime temperatures above 50F degrees before they'll set fruit. If the blossoms are falling off your plants it's a sign that the temperatures are still too cool, or that there's no insect activity in the area. Why not try taking a cotton swab or small artist's paintbrush and "visit" each blossom that's open. If the blossoms still fall off after you've pollinated them, then the weather is still too cool for the plant to set fruit. Just wait a few weeks for nighttime temperatures to remain above 50F.

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