A modular portable light hanger that can be quickly and easily assembled and disassembled to a tray stand by one person without using any tools or hardware, each corner of the stand preferably interconnecting with a light hanger corner pole, and the four corner poles interconnecting with perimeter poles forming a substantially rectangular or square perimeter across which cross-wise equipment/light hanger poles are toolessly attached, providing cross members over the tray stand growing area from which equipment such as light fixtures, air moving fans, ducting, etc. may by suspended.