City: Byron Center, Mich.
Website: MasterpieceFlower.com
Environmentally controlled square footage: 1,050,000
Number of offshore facilities: 0
Percentage of production space under permanent environmentally controlled structure devoted to each crop:
| Ornamental bedding plants | 70% |
| Flowering potted plants | 21% |
| Plugs and propagation | 8% |
| Container perennials | 1% |