“I thought I was doing everything right”: why my tomato flowers fell off without forming fruit above 32°C
You’re doing everything right—perfect soil, steady watering, on-schedule fertilizer—yet your tomato flowers still drop without setting fruit. The culprit isn’t your routine; it’s the thermometer. A tomato flower has only 50 hours to be pollinated before it dies, and sustained heat makes pollen sticky and nonviable, destroying that critical window.