The research was carried out by a man who plants 140 hanging baskets a year.
Nappies could hold the secret to blooming hanging baskets during the summer.
Lining hanging baskets with unworn nappies can help plants stay hydrated during warm weather.
Shaun Schroeder, who plants 140 hanging baskets every year, told Metro.co.uk , the trick can help prevent water evaporating from soil in the basket.