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COA explainer · United States

Ohio: from grow to dispensary, what ends up on the label

Play it: the batch moves through Ohio's Division of Cannabis Control workflow on the left, and each required label piece snaps onto the package on the right, color-coded by who adds it. Anything sold outside a licensed dispensary skips all of it.

Sample data · Ohio (DCC, ORC 3796 + OAC 1301:18 / 3796) · for illustration

🏷️ The product label, building live

Scarlet Haze · Buckeye Flower
Marijuana Flower
Fictional sample label for illustration, not a compliant, printable label.
🌱 Cultivator adds it📦 Packager (cultivator or processor) adds it🔬 Lab / COA adds it🏪 Dispensary adds it🏛️ DCC (always required)
The big idea: Ohio has one regulator, the Division of Cannabis Control, and since March 2026 one statute, but it runs on two rulebooks: the Division's new chapter plus the older medical rules that still set the test panel and the sampling. The lab pulls the sample itself, potency must be reported as received, and the label names the lab and license; a QR code to the COA is allowed, not required. New label rules take effect on 11 September 2026 (THC range, top three terpenes). And since 20 March 2026 anything over 0.4 mg of THC per container sold outside a licensed dispensary is simply illegal, so the gas-station shelf is no longer a second, untested market.

Sample label for illustration, not a compliant, printable label. Ohio rules (Division of Cannabis Control, ORC 3796, OAC 1301:18 and 3796), current 2026. Educational, not legal advice.

Step by step: Ohio

  1. Step 1: Cultivator / harvest batch (Cultivator) A licensed cultivator harvests a batch: one variety, at most 15 lb of dried bud. Every plant and package is tagged in Metrc, Ohio's track-and-trace system. This is where the package tag, harvest date and net weight come from.
  2. Step 2: The lab comes to the grow (Lab) Ohio does not let the grower pick the sample. A lab employee travels to the site, selects a random sample of at least 0.5% of the batch weight, and carries it back under a Metrc transfer manifest.
  3. Step 3: Lab analysis (Lab) An independent lab, ISO/IEC 17025-accredited (required within two years of licensing), screens for cannabinoids, microbials, mycotoxins, heavy metals (As, Cd, Pb, Hg), pesticides, residual solvents in hydrocarbon extracts, moisture and water activity, and foreign matter. Potency is reported as received, no dry-weight correction. Terpenes are optional.
  4. Step 4: COA + pass/fail into Metrc (Lab) The certificate of analysis carries the lab's name and license, the batch number, test dates, a pass/fail grid, the potency numbers, the lab manager's signature and a photo of the sample at receipt. It is uploaded to Metrc, and the result decides whether the batch can move.
  5. Step 5: DCC oversight (DCC) The Division of Cannabis Control (Ohio Department of Commerce) licenses every link, inspects, and issues recalls. A failed batch is destroyed, except a microbial failure may go to solvent extraction. The Division's seal on the package is its mark that the product met state standards.
  6. Step 6: Package + label (Packager) The cultivator (flower) or processor (products) seals the product in child-resistant, tamper-evident packaging and prints the testing lab's name and license, the batch number, the harvest, testing and packaging dates, the cannabinoid line items and terpene profile, and the warnings. Edibles carry the universal THC symbol on every serving. From 11 September 2026 a new format phases in (mandatory by 1 June 2027): a THC range instead of point values and the top three terpenes; a QR code to the COA is allowed, not required.
  7. Step 7: Dispensary sale (Dispensary) The dispensary checks ID (21+, or a registered patient), adds its name and license to the package, hands over an itemised receipt, and stays within the daily limit of 2.5 oz of flower or 15,000 mg THC in products. Anything with more than 0.4 mg THC sold anywhere else is illegal in Ohio.

Frequently asked questions

Who tests cannabis in Ohio?
An independent testing laboratory licensed by the Division of Cannabis Control tests every batch from a licensed cultivator or processor: cannabinoids, microbials, mycotoxins, heavy metals, pesticides, moisture and water activity, foreign matter, and residual solvents for hydrocarbon extracts. Labs must reach ISO/IEC 17025 accreditation within two years of licensing, and nobody with a stake in a grower or processor may own or work for one.
Who pulls the sample in Ohio?
The lab does. A testing laboratory employee travels to the cultivator or processor, selects a random sample of at least half a percent of the batch weight, and carries it back under a Metrc transfer manifest, so the grower never picks what gets tested. Since April 2025 potency must be reported as received, and a failed batch is destroyed unless a microbial failure goes to solvent extraction.
What has to be on a cannabis label in Ohio?
The label names the testing lab and its license number, the batch or lot number, the harvest date on flower, the manufacture and packaging dates, the cannabinoid line items and terpene profile, the dispensary's name and license, and the under-21 warning. From 11 September 2026 a new format phases in: a THC range on flower, the top three terpenes and an optional COA QR code.
Is cannabis in Ohio lab-tested?
Yes, if it comes from a licensed dispensary. Every batch from a licensed cultivator or processor is sampled by an independent lab and tested for potency and contaminants (microbials, mycotoxins, heavy metals, pesticides, moisture and foreign matter, plus residual solvents in hydrocarbon extracts) before it can be sold. Home-grown cannabis and anything sold outside a dispensary are not tested.
Who regulates cannabis in Ohio?
The Division of Cannabis Control, part of the Ohio Department of Commerce, licenses and regulates cultivators, processors, testing labs and dispensaries for both medical and adult-use cannabis, a single program since Senate Bill 56 took effect on 20 March 2026. The State Medical Board certifies recommending physicians, and the Department of Agriculture polices hemp.
Is delta-8 legal in Ohio?
Not outside a dispensary. Since 20 March 2026 any product with more than 0.4 mg of total THC per container is treated as marijuana and may only be sold by a licensed dispensary, which ends gas-station and smoke-shop delta-8, THCA flower and THC beverages.

Keep reading

Educational information only, not medical advice. Terpene and cannabinoid effects are an active area of research and vary by person, product, and dose. Cannabis is for adults 21+ where legal.

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