As the cannabis industry continues its evolution, North America-based growing operations are scaling up across multiple states, and consolidation at the grower level — especially in Canada, where cannabis is already federally legal — remains robust.
Many of our 2021 Top Growers produce cannabis in a traditional greenhouse during some aspect of production, leveraging each production setting (outdoor, greenhouse, or warehouse growing) throughout the year.
According to the data, the largest North American grower producing cannabis exclusively in a greenhouse is Arizona’s Copperstate Farms at nearly 2 million square feet, while Glass House Farms in Santa Barbara, CA, is reportedly the largest cannabis greenhouse in the Golden State currently with two structures coming in at a combined 500,000 square feet.
| Rank | Operation Name | Square Footage | Location | Growing Style |
|---|---|---|---|---|
| 1 | Ultra Health | 9,213,000 | New Mexico | Greenhouse/Warehouse/Outdoor |
| 2 | Mammoth Farms | 3,484,800 | Colorado | Warehouse, Greenhouse, Outdoor |
| 3 | Palo Verde Center | 2,400,000 | California | Warehouse |
| 4 | Hexo Corp. | 2,000,000 | Quebec | Greenhouse |
| 5 | Copperstate Farms | 1,700,000 | Arizona | Greenhouse |
| 6 | Los Suenos Farms | 1,428,000 | Colorado | Greenhouse, Outdoor |
| 7 | Canna Hub | 1,200,000 | California | Greenhouse, Warehouse |
| 8 | Village Farms | 1,100,000 | British Columbia | Greenhouse |
| 9 | Aurora | 943,000 | Alberta | Warehouse |
| 10 | Canopy Growth | 700,000 | Quebec | Warehouse |
| 11 | Cresco Labs | 560,139 | Illinois | Greenhouse, Warehouse |
| 12 | Glass House Farms | 500,000 | California | Greenhouse |
| 13 | Organigram | 500,000 | New Brunswick | Warehouse |
| 14 | C3 International | 489,000 | California | Greenhouse/Warehouse |
| 15 | CannTrust | 450,000 | Ontario | Warehouse, Outdoor |
| 16 | FlowerOne | 400,000 | Nevada | Greenhouse |
| 17 | Solaris Farms | 360,000 | Nevada | Greenhouse |
| 18 | 7Acres | 342,000 | Ontario | Greenhouse |
| 19 | ThePharm | 320,000 | Arizona | Greenhouse |
| 20 | NUG | 221,000 | California | Greenhouse, Warehouse |
