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Symptom

Flowers but no fruit

Fruit needs a pollinated flower. Too few bees, cold or wet weather, heat, or only male flowers open all leave flowers barren.

Look at the flowers. On squash and cucumbers, check that male and female flowers are open together, and watch for bees on a warm morning.

Likely causes

Ordered from the usual answer to the less likely one. Each links to the full problem.

Recorded on Pumpkins

  1. A courgette with a withered flower and a shrivelling fruit Fruiting Common

    Poor pollination

    Baby fruit yellows and shrivels at the tip.
  2. A bean plant in hot sun with fallen flowers on the soil below Fruiting Possible

    Blossom drop

    Flowers fall off whole.

Less likely on Pumpkins

  1. A tomato plant wilting in a hot, dry bed Light & temperature Possible

    Heat stress

    Pollen fails in hot weather.
  2. A lush, dark green pepper plant with many leaves and no fruit Soil & nutrients Less likely

    Too much nitrogen

    Few flowers, lush leaves.