Metrolina Greenhouses has grown 39 of the past 40 years since it was founded. That’s not just in revenue, but in size, as well. The company constantly expands its acreage, whether it’s building covered greenhouses or cultivating outdoor grounds for growing plants. Metrolina Greenhouses occupies 147 acres, making it the largest single-story heated greenhouse in the country. It also maintains 30 acres and counting of outdoor growing space.