Too much nitrogen in the soil can also cause the growth of the male pumpkin vines, but no flowers come from an otherwise lush plant. Additional causes for a pumpkin plant not producing fruit include drought stress and waterlogged soils.

Why are my pumpkins dying before they grow?

Pumpkins grow best in moist soil, and under- or over-watered pumpkins wilt and die. Drought makes pumpkins wilt and eventually kills them, and over-watering or poorly drained ground such as clay soil drowns roots. Pumpkins with dead roots can't take up water, so they lose color and die.

Why are my pumpkins turning yellow and dying?

Unfavorable growing conditions may also cause pumpkins to turn yellow and die off. Lack of water causes leaves to wilt and droop. Plant growth slows and developing fruit may wither, turn yellow and die. ... Incomplete pollination can cause young pumpkin fruits to drop off.