The winner of the RHS Chelsea Sustainable Product of the Year 2025 has been announced. The competition, which is open exclusively to tradestand exhibitors at the Chelsea Flower Show, celebrates the horticultural industry's efforts to promote eco-friendly and ethical consumerism. This year the RHS has expanded its RHS Chelsea Sustainable Product of the Year to become the RHS Chelsea Sustainable Excellence Awards, with three categories - the Sustainable Garden Product of the Year, the Sustainable Lifestyle Product of the Year and the Sustainable Business of the year.…