In conjunction with The National Trust, Planted takes place at Stourhead between 9-11 June. Enjoy three days of talks based around the theme of cool design/sustainable future: talks are hosted by interior designer Oliver Heath and guest speakers include Helen Browning of The Soil Association and Mike Barrow of Beneath our Waters. You'll also find lots of sustainable furniture brands and you can take part in workshops and nature walks. If you want to get involved sustainability and protecting the environment, Planted is a good place to start.