David Trubridge, an industrial designer, writes about his unusual Dream Space sculpture. Its use is only limited by your imagination—it can serve as a trellis for vines, an outoor sleeping tent, or as a way to delineate a seating area in the garden.
In South Africa's coastal grasslands, to explore a forest is to walk along its canopy—indeed, it's the only way to observe an extraordinary group of so-called underground trees, where only the uppermost leaves and branches are visible. Tucked away and protected from so many environmental threats, they underground forests are considered all but immortal, with estimated ages of 13,000 years or more.
Sweden's Treehotel has a number of different tree houses to rent by the night and one of the coolest is the Mirror Cube, which disappears into its surroundings. A prefab version of it is now available for sale, complete with installation.
British artists Heather Ackroyd and Dan Harvey use grass to make pictures—"living" photographs. Wielding the traditional tools of the artist and the gardener to harness a plant's natural photosynthesis, the artists' process is a nice synthesis of art and science.
Bavarian artist Nils-Udo is known for his site-specific installations built in situ with local, natural materials—leaves, berries, hay, bamboo, flowers. His signature form is the Nest, which he has installed in locations around the world.