The Q&A Archives: Tomatoes turning brown

Question: I have a question about my tomatoes. They get 8 full hours of sun I water them every two full days when temperatures are around 100 degrees. They get late afternoon sun. I have fertilized them twice since planting them in March. They are turning brown on the bottom leaves and the blossoms turn brown and fall off. I have tomatoes on the plants but, they are not producing any more. (From Southern California)

Answer: Once daytime temps get above 90 and nighttime temps get above 70, tomatoes balk at setting fruit (flowers simply fall off). I suggest you keep the plants well-watered (deep soakings no more than twice a week), mulched, and wait until the summer heat lets go.

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