Pumpkin flowers bloom and attract insects. Insects such as bees or bumblebees transfer pollen from male flowers to female flowers.
There are several ways to tell when the pumpkin fruit is ready to be harvested: – The skin of the pumpkin is the correct color (depending on variety) – Plant vines will start to dieback – The pumpkin skin becomes hard – Hearing a hollow sound when tapping the outside of the fruit – The pumpkin stem becomes tough