‘Humanure’: RHS plans rollout of first compost toilet to fertilise flowerbeds

The horticultural charity's showpiece garden in Surrey is setting aside an space to test human waste fertiliser

For more than 200 years, gardeners at the Royal Horticultural Society (RHS) have been reaping the benefits of using compost and manure in their flowerbeds.

But until now, they have never had the satisfaction of using compost created from their own human waste.