The document summarizes the organic production practices of Elzinga & Hoeksema Greenhouse in Kalamazoo, Michigan. It discusses their decision to become USDA certified organic and the challenges they faced in developing organic production methods. This included creating a living soil, establishing biological pest control, and ensuring they had adequate sources of organic seed and cuttings. The greenhouse also had to implement a tracking system to trace individual plants back to their seed or cutting origin, as required for organic certification.