Waitrose in Bury St Edmunds is inviting schoolchildren to pick up a grow and sell seed kit and grow their own produce which they can then sell outside the store.
The scheme was first launched last year and has trebled in size and popularity with seven to 11-year-olds in Suffolk and Norfolk.
The aim is for schools to plant their school vegetable patch with the seeds from the company Seed Pantry.
The kits contain vegetable seeds, step by step growing instructions and includes wild flower seeds to encourage more bees, butterflies and other pollinators in school hedgerows.
The company is also launching a new grow and sell app so that parents, children and teachers can learn more about where food comes from, how it is produced and the importance of environment and seasonality.
Steve Mattinson, Waitrose branch manager said: “Having seen the success of last year’s project it brings us immense pleasure to be able to offer the Grow and Sell scheme to many more schools. We hope it will encourage children to choose to eat well and inspire entrepreneurial minds to flourish.”