The cannabis industry has been experiencing significant growth over the past decade, and with the increasing legalization of cannabis in various states, it's no surprise that investors are looking for the next big thing. If you're interested in investing in the cannabis sector, here are 20 US cannabis stocks that you should consider adding to your portfolio in 2023.

1. Canopy Growth Corporation (TSX: WEED) (NYSE: CGC)

Canopy Growth is one of the largest cannabis companies in the world, with a strong presence in both Canada and the United States. The company has a diverse product portfolio, including cannabis, cannabis-infused beverages, and hemp-derived products.

2. Tilray, Inc. (NASDAQ: TLRY)

Tilray is another major player in the cannabis industry, with operations in several countries, including the United States. The company is known for its high-quality cannabis products and innovative research and development efforts.

3. Aurora Cannabis Inc. (TSX: ACB) (NYSE: ACB)

Aurora Cannabis is a leading cannabis producer in Canada and the United States. The company has a strong focus on organic growth and has been expanding its operations through strategic partnerships and acquisitions.

4. Cronos Group Inc. (NASDAQ: CRON) (TSX: CRON)

Cronos Group is a vertically integrated cannabis company with operations in Canada, the United States, and Europe. The company has a diverse product portfolio, including cannabis, cannabis-infused products, and hemp-derived CBD.

5. Curaleaf Holdings, Inc. (NASDAQ: CURLF)

Curaleaf is one of the largest cannabis companies in the United States, with a strong presence in 23 states. The company offers a wide range of cannabis products, including flower, concentrates, and edibles.

6. Green Thumb Industries, Inc. (NASDAQ: GTBIF)

Green Thumb Industries is a vertically integrated cannabis company with operations in 11 states. The company has a strong focus on brand-building and has been successful in expanding its market share through strategic partnerships and acquisitions.

7. HEXO Corp. (TSX: HEXO) (NASDAQ: HEXO)

HEXO is a leading cannabis company in Canada and the United States, with a strong focus on organic growth and innovation. The company has a diverse product portfolio, including cannabis, cannabis-infused products, and hemp-derived CBD.

8. Trulieve Cannabis Corp. (NASDAQ: TRUL)

Trulieve is one of the largest cannabis companies in the United States, with a strong presence in 11 states. The company offers a wide range of cannabis products, including flower, concentrates, and edibles.

9. Verano Holdings Corp. (NASDAQ: VRNO)

Verano Holdings is a vertically integrated cannabis company with operations in 10 states. The company has a strong focus on brand-building and has been successful in expanding its market share through strategic partnerships and acquisitions.

10. The Green Organic Dutchman Holdings Ltd. (TSX: TGOD) (NASDAQ: TGOD)

The Green Organic Dutchman is a vertically integrated cannabis company with operations in Canada and the United States. The company has a strong focus on organic growth and has been expanding its operations through strategic partnerships and acquisitions.

11. MedMen Enterprises, Inc. (OTC: MMNFF)

MedMen Enterprises is a vertically integrated cannabis company with operations in several states. The company has a strong focus on brand-building and has been successful in expanding its market share through strategic partnerships and acquisitions.

12. Curaleaf Holdings, Inc. (NASDAQ: CURLF)

Curaleaf is one of the largest cannabis companies in the United States, with a strong presence in 23 states. The company offers a wide range of cannabis products, including flower, concentrates, and edibles.

13. Greenhouse Wellness Group, Inc. (NASDAQ: GWHW)

Greenhouse Wellness Group is a vertically integrated cannabis company with operations in several states. The company has a strong focus on brand-building and has been successful in expanding its market share through strategic partnerships and acquisitions.

14. HEXO Corp. (TSX: HEXO) (NASDAQ: HEXO)

HEXO is a leading cannabis company in Canada and the United States, with a strong focus on organic growth and innovation. The company has a diverse product portfolio, including cannabis, cannabis-infused products, and hemp-derived CBD.

15. Trulieve Cannabis Corp. (NASDAQ: TRUL)

Trulieve is one of the largest cannabis companies in the United States, with a strong presence in 11 states. The company offers a wide range of cannabis products, including flower, concentrates, and edibles.

16. Verano Holdings Corp. (NASDAQ: VRNO)

Verano Holdings is a vertically integrated cannabis company with operations in 10 states. The company has a strong focus on brand-building and has been successful in expanding its market share through strategic partnerships and acquisitions.

17. The Green Organic Dutchman Holdings Ltd. (TSX: TGOD) (NASDAQ: TGOD)

The Green Organic Dutchman is a vertically integrated cannabis company with operations in Canada and the United States. The company has a strong focus on organic growth and has been expanding its operations through strategic partnerships and acquisitions.

18. MedMen Enterprises, Inc. (OTC: MMNFF)

MedMen Enterprises is a vertically integrated cannabis company with operations in several states. The company has a strong focus on brand-building and has been successful in expanding its market share through strategic partnerships and acquisitions.

19. Curaleaf Holdings, Inc. (NASDAQ: CURLF)

Curaleaf is one of the largest cannabis companies in the United States, with a strong presence in 23 states. The company offers a wide range of cannabis products, including flower, concentrates, and edibles.

20. Greenhouse Wellness Group, Inc. (NASDAQ: GWHW)

Greenhouse Wellness Group is a vertically integrated cannabis company with operations in several states. The company has a strong focus on brand-building and has been successful in expanding its market share through strategic partnerships and acquisitions.

When considering investing in the cannabis industry, it's important to do your research and understand the risks involved. The cannabis industry is still relatively new and subject to regulatory changes, which can impact the performance of cannabis stocks. However, with the increasing legalization of cannabis and the growing demand for cannabis products, these companies have the potential to offer significant returns on investment.