Non-Fruiting Tomatoes - Knowledgebase Question

Baltimore, MD
Question by clajones
June 24, 1998
My brandywine and beefsteak tomatoes get lots of flowers, but then they drop off before any fruit has set. They are in the same garden with my early girl tomatoes, which are now loaded with fruit. What's wrong?


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Answer from NGA
June 24, 1998

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Some tomato varieties are more sensitive to low nighttime temperatures than others and will fail to set fruit if the temperature drops to 50F degrees at night. This explains why you're getting fruit on one variety and not on others. You can help ensure pollination of your tomato plants by gently shaking them while in bloom, or by visiting each flower with a fine camel's hair brush. Once the flowers have been completely pollinated, and the nighttime temps remain above 50F degrees, you're certain to have an abundance of fruits on your plants.

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