Eureka’s Best Cannabis and Hemp CBD Testing Laboratory

Established in 2011, we are the first woman owned cannabis and hemp CBD laboratory in the nation. We are also the first to be accredited and licensed by a state agency. Pioneers in cannabis and hemp CBD science, our analytical testing services are accurate, consistent, and dependable.

Certified, Experienced, Trusted

Green Leaf Lab is an ISO 17025 accredited independent third-party cannabis testing laboratory, which means our dedication to quality science and leadership in the industry is unparalleled. We adhere to the testing requirements from the California Bureau of Cannabis Control for flower, concentrates, edibles, oils, topicals, drinks, tinctures, and more.

Our state-of-the-art lab uses the best scientific tools and techniques while employing professionally educated and trained chemists for testing procedures. Our lab tests for terpenes, pesticides, residual solvents, mycotoxins, microbial impurities, foreign materials, and heavy metals. We also test potency for cannabis and hemp CBD flower, extracts, concentrates, and other R&D products.

To learn more about our cannabis and hemp CBD testing procedures and requirements, please visit our California Testing Page. Interested in becoming a client? Fill out our Client Information Form.

Reliable Cannabis and Hemp CBD Analysis in California

As California’s premier cannabis and hemp CBD analytical laboratory, Green Leaf seeks to advance the industry by conveying knowledge through accurate testing, education, and information. We believe our analytical testing process:

  • Promotes the safe consumption of inhalable, and non-inhalable cannabis and hemp CBD products.
  • Heightens transparency for the California cannabis industry.
  • Supports quality control for recreational and medical cannabis and hemp CBD.

Analysis available for pesticides, potency, solvents, terpenes, heavy metals and more.


We have expertise in product development. Rely on us to help you succeed and gain an advantage in the market.


Trust us to give you reliable, accurate and consistent information.


Green Leaf Lab has the experience you need.

Experience the Green Leaf Lab Difference — Real Science. Real Testing. Real Results.™

Our testing is precise and complex, and thanks to our alignment with California’s testing regulations, we are helping the cannabis industry in Eureka thrive. As leaders in cannabis and hemp CBD testing, we provide reliable and thorough analytical testing to cultivators, manufacturers, and distributors.

Hemp and Cannabis Analysis and Lab Testing in Eureka

Excellent Service. Quality Testing. Accurate Results.™

Cannabis and hemp CBD cultivators, manufacturers, and distributors trust Green Leaf Lab in Eureka, California. No matter your analytical and product development testing needs, Green Leaf Lab will deliver reliable results that comply with California’s strict requirements, as well as any product regulations for inhalable and edible cannabis.



Understand the fingerprint of cannabis and the terpenes consumers love most.



Whether you are in Oregon or California, we’re here for you.



Cannabis science is innovative and complex. We get it. So should you.

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