Answer: Since most of your peppers are doing so well, I doubt that the problem is related to your soil or care. Rather, I suspect it is related to the specific variety of bell pepper you are growing. Temperatures over 90 degrees can cause blossom drop. Since many of the new hybrid cultivars are less susceptible to heat-related blossom drop than older open-pollinated cultivars, you may find that trying a different variety will solve the problem. Good luck with your bell peppers!
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