Buy 1, get 1 for free

Buy 1, get 1 for free: When I use a spring onion I cut off the lower 6 cm (2.4 inch), put the roots in about 2 cm (0.8 inch) of water in a glass, change the water every 2 days, and soon have a new spring onion! More advantages of urban gardening: https://medium.com/the-environment/how-urban-gardening-contributes-to-sustainable-development-goals-785df8d72af5

With urban gardening, you can make a positive difference (credit: AYA images on Shutterstock)