Life Cycle of a Giant PumpkinThe Timeline of a Giant Pumpkins Growth
How long does it take to grow a giant pumpkin?
It can take around 150 – 170 days to grow a giant pumpkin from seed to maturity.
Starting a seed to pollination of the pumpkin takes around 60 – 70 days.
The pumpkin itself will grow from 90 – 110 days. Top growers try and get as many days of growing as possible.
The standard planting time here in NZ is mid to late October. Your pumpkin will be mature mid to late March / Early April.
Life Cycle of a Giant Pumpkin
Please Note: This is a general guide to a giant pumpkin’s growth. There will be slight differences due to seed, location, weather, water etc.