The Headhouse Greenhouse Phase 2 project is part of the Chicago Botanic Garden's new Kris Jarantoski Campus, a new plant production facility and display garden. Phase 2 is a greenhouse extension of the Phase 1 Headhouse and Greenhouse featuring new energy-efficient greenhouses that increased the indoor growing space from 18,000 square feet to more than 55,000 square feet. The structures have 26 climate-controlled zones, and the new outdoor nursery space will be 151,000 square feet, including space for for the Chicago Botanic Garden's famed bonsai collection.