The cannabis cultivation landscape in North America is dominated by a select group of growers who set the standard through size, innovation, consistency, and influence. These operators have built their reputations by delivering high-quality products at scale, embracing technology, and meeting the ever-evolving needs of the cannabis market.
Here’s a review of the top cannabis growers across North America and why they continue to lead the industry.
1. Ultra Health – New Mexico
Ultra Health currently leads the continent in total cultivation space, operating more than 9.2 million square feet across greenhouse, warehouse, and outdoor environments. Their diverse grow operations allow for robust year-round production, making them one of the largest and most consistent suppliers in the market.
Website: ultrahealth.com
2. Mammoth Farms – Colorado
With approximately 3.48 million square feet of cultivation space, Mammoth Farms has emerged as a major player in the U.S. cannabis scene. By leveraging multiple growing environments—outdoor, greenhouse, and indoor—Mammoth Farms maximizes both quality and output, appealing to a broad consumer base across western states.
Website: mammothfarms.com
3. Copperstate Farms – Arizona
Copperstate Farms stands as North America’s largest exclusive greenhouse cannabis grower, with nearly 2 million square feet under glass. Known for its climate-controlled precision and energy-efficient production methods, Copperstate consistently produces premium cannabis in the fast-growing Arizona market.
Website: copperstatefarms.com
4. Curaleaf – United States
Curaleaf is recognized as North America’s highest-revenue cannabis company, with more than $1.3 billion in annual sales. Its large-scale cultivation operations, integrated with retail and processing facilities across multiple states, have helped it maintain a dominant presence in both the medical and adult-use markets.
Website: curaleaf.com
5. Green Thumb Industries (GTI) – United States
Green Thumb Industries operates cultivation facilities in numerous U.S. states and generates over $750 million in revenue annually. GTI’s success is built on efficient, scalable cultivation practices and a strong brand portfolio that resonates with both medical patients and recreational consumers.
Website: gtigrows.com
6. Aphria (Tilray Brands) – Canada
Before merging with Tilray, Aphria was one of the most respected greenhouse growers in Canada. The combined entity now operates under Tilray Brands, leveraging Aphria’s greenhouse expertise to strengthen its North American presence. Their legacy of innovation and efficient production continues to influence the industry.
Website: tilray.com
7. Canopy Growth – Canada
As the first licensed and publicly traded cannabis cultivator in North America, Canopy Growth has helped define legal cannabis cultivation. The company built its foundation through large-scale facilities like Tweed Farms and remains a global force with operations that span greenhouse and indoor grows.
Website: canopygrowth.com
Key Highlights of North America’s Leading Growers
- Ultra Health (New Mexico): Largest cultivation footprint in North America with over 9.2 million sq ft of operational grow space.
- Mammoth Farms (Colorado): Combines outdoor, indoor, and greenhouse methods across 3.48 million sq ft to optimize output.
- Palo Verde Center (California): One of the largest indoor growers serving the high-demand California market.
- Copperstate Farms (Arizona): Specializes in large-scale greenhouse cultivation focused on efficiency and premium quality.
- Curaleaf (USA): National-scale cultivator with the highest cannabis revenue in North America.
- Green Thumb Industries (USA): Multi-state operator with top-tier cultivation systems and successful brand integration.
- Aphria / Tilray (Canada): Known for large-scale greenhouse expertise and a growing international footprint.
- Canopy Growth (Canada): Pioneer in large-scale legal cultivation and publicly traded cannabis operations.
These companies represent the upper echelon of cannabis cultivation in North America. Whether through innovation, operational scale, or revenue performance, each has played a vital role in shaping the cannabis industry’s current and future landscape. Their continued leadership reflects the growing sophistication and competition of legal cannabis markets across the continent.