Tree/House

Edited by Craig Kellogg -- Interior Design, 1/1/2007 12:00:00 AM

Soon, it may take just seeds and water to expand a house. Architects Mitchell Joachim and Javier Arbona, engineer Lara Greden, and horticulture company Plantware make up the green-thinking team that's experimenting with self-grafting trees such as elms to weave the Fab Tree Hab concept, with a lattice of woody vines forming exterior walls. Growing a two-story, water-recycling eco retreat should take five years.