When a farmer from Dorset planted a small seed back in April, little did he dream of the monster that it would grow into.
Mark Baggs' prize pumpkin eventually tipped the scales at 1,520lbs - that's 689 kilograms, and over 100 stone!
Over the weekend, at a pumpkin festival near Southampton, it was officially declared as the heaviest pumpkin ever grown in this country. Martin Dowse went to see it.
A Dorset gardener has grown the UK's heaviest pumpkin.
Mark Baggs from Wareham managed to grow a pumpkin which weighed in at 1,520lb (689kg).
At a weigh-in at the weekend, Mark's pumpkin tipped the scales and beat the previous record by 16lb (7.3kg).
The record for the world's heaviest pumpkin was set on 15 October 2011 in Ontario, Canada with one weighing in at 1,818lb and 5oz (824.86kg).