Marrows are seen in vegetable crates at the Farmers' Market, where farmers can sell their fruit and vegetables directly to the public, in Ta' Qali, Malta February 6, 2018. REUTERS/Darrin Zammit Lupi 

Marrows are seen in vegetable crates at the Farmers' Market, where farmers can sell their fruit and vegetables directly to the public, in Ta' Qali, Malta February 6, 2018. REUTERS/Darrin Zammit Lupi 

Staff carry a giant marrow to the scales to be weighed on the opening day of the Harrogate Autumn Flower Show in Harrogate, northern Britain, September 18, 2015. REUTERS/Phil Noble 

Ian Neale poses with his second placed marrow on the opening day of the Harrogate Autumn Flower Show in Harrogate, northern Britain, September 18, 2015. REUTERS/Phil Noble 

A man looks at a giant marrow on the opening day of the Harrogate Autumn Flower Show in Harrogate, northern Britain, September 18, 2015. REUTERS/Phil Noble 

Peter Glazebrook poses with his first placed marrow on the opening day of the Harrogate Autumn Flower Show in Harrogate, northern Britain, September 18, 2015. REUTERS/Phil Noble 

Ian Neale of Newport poses with his first prize giant marrow weighing 50.5 kilos during the first day at the Autumn flower show in Harrogate,northern England, September 13, 2013.The annual three day event features show gardens, flower displays, giant vegetables, expert gardening and cooking advice and demonstrations REUTERS/Nigel Roddis (BRITAIN - Tags: SOCIETY ENVIRONMENT) 

A grower poses for photographers with an award winning marrow at the Harrogate Autumn Flower Show in Harrogate, northern England September 16, 2011. The show marking its 100th year, has introduced a giant vegetable class for the first time. REUTERS/Nigel Roddis (BRITAIN - Tags: ENVIRONMENT SOCIETY AGRICULTURE) 

Grower Pete Glazebrook poses for photographers with his award winning marrow weighing 97lb 8oz (45 kg) at the Harrogate Autumn Flower Show in Harrogate, northern England September 16, 2011. The show marking its 100th year, has introduced a giant vegetable class for the first time. REUTERS/Nigel Roddis (BRITAIN - Tags: ENVIRONMENT AGRICULTURE SOCIETY) 

People reach to grab marrows, as free fruit and vegetables are distributed by farmers on strike, during a protest in central Madrid June 19, 2008. Thousands of farmers, who say soaring costs and lousy prices are driving them out of business, marched through Madrid to demand lower diesel tax to cope with record fuel prices. REUTERS/Sergio Perez (SPAIN) 

People reach to grab marrows, as free fruit and vegetables are distributed by farmers on strike, during a protest in central Madrid June 19, 2008. Thousands of farmers, who say soaring costs and lousy prices are driving them out of business, marched through Madrid to demand lower diesel tax to cope with record fuel prices. REUTERS/Sergio Perez (SPAIN) 

Derek Smalls (played by Harry Shearer) of Spinal Tap holds up a marrow during the Live Earth concert at Wembley Stadium in London, July 7, 2007. Former U.S. vice president Al Gore and his global partners are staging the Live Earth concerts held on seven continents simultaneously to raise awareness of environmental issues. REUTERS/Stephen Hird (BRITAIN)