Pal Hermansen / Seed of Pumpkin (Cucurbita pepo) on white background

Paul Harcourt Davies / Courgette flower (Cucurbita pepo) Podere Montecucco, Orvieto, Umbria, Italy, August.

Jean E. Roche / Courgette flower, Cidamos garden, Alpilles, France, October 2012.

Jean E. Roche / Polytunnel with courgettes growing, Cidamos gardens, Alpilles, France, October 2012.

Paul Harcourt Davies / Flowers of Courgette / Zucchini (Cucurbita pepo) - male with stamens visible, in a garden near Orvieot, Umbria, Italy

Simon Colmer / Slug and snail damage on courgette leaves, UK

Gary K. Smith / Various varieties of homegrown courgette, Norfolk, UK, July.

Gary K. Smith / Various varieties of homegrown courgette, Norfolk, UK, July.

Gary K. Smith / Various varieties of homegrown courgette, Norfolk, UK, July.

Gary K. Smith / Freshly harvested home grown organic vegetables with 'organic' label, carrots, peppers, courgettes, cucumbers, UK

Gary K. Smith / Freshly harvested home grown organic vegetables, carrots, peppers, courgettes, cucumbers, aubergine, tomatoes, UK

Gary K. Smith / Freshly harvested home grown organic vegetables with 'organic' label, carrots, peppers, courgettes, cucumbers, UK