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Reporting
This problem does happen.This problem does happen. Pumpkins can take a long time to grow, especially if weather has been inconsistent. We hope the female flowers will arrive soon! One idea is to pinch off the main root to encourage lateral branching with female flowers. Also, be sure that you are attracting pollinators (bees) and that you aren't using insecticides (which deters or kills bees).  

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