Hemp vs. Marijuana: Federal Law in 2026
Direct answer, reviewed August 2, 2026: Hemp and marijuana are federal legal categories applied to cannabis; they are not reliably separated by appearance, strain name, or a product label. Through November 11, 2026, the federal statutory definition of hemp uses no more than 0.3% delta-9 THC on a dry-weight basis. Cannabis that fits that definition is excluded from the federal Controlled Substances Act definition of marijuana. On November 12, 2026, an enacted amendment is scheduled to replace that standard with no more than 0.3% total tetrahydrocannabinols, expressly including THCA, and add product-specific exclusions. State law, USDA production rules, and FDA product rules remain separate parts of the analysis.
This guide provides general, source-linked information, not individualized legal advice. Rules can depend on the product, date, destination, and transaction.
Hemp vs. marijuana at a glance
| Question | Hemp | Marijuana under federal law |
|---|---|---|
| Are they different plant species? | Federal law applies legal definitions to Cannabis sativa L.; it does not use appearance, common strain labels, or a simple botanical test to draw the line. | |
| What is the federal line through November 11, 2026? | No more than 0.3% delta-9 THC on a dry-weight basis under the current statutory definition. | Cannabis material within the Controlled Substances Act definition and outside the hemp and other listed exceptions. |
| What changes November 12, 2026? | The scheduled definition uses no more than 0.3% total tetrahydrocannabinols, including THCA, and adds exclusions for specified products. | Material excluded from the revised hemp definition does not receive the federal hemp exception merely because it was previously marketed as hemp. |
| Does federal hemp status settle every product question? | No. USDA production requirements, FDA rules, state law, product form, labeling, and destination can each matter. | |
Why hemp and marijuana are legal categories
Hemp and marijuana can look and smell alike because both are cannabis. A flower’s shape, whether a seller calls it “indica” or “sativa,” or whether CBD or THCA is prominent does not by itself decide its federal category.
The current official text of 7 U.S.C. § 1639o defines hemp as the plant Cannabis sativa L. and its listed parts and derivatives with a delta-9 THC concentration of no more than 0.3% on a dry-weight basis. The Controlled Substances Act definitions in 21 U.S.C. § 802 exclude hemp, as defined in Title 7, from “marihuana” or “marijuana.” The CSA also lists other specific exceptions, so “anything above 0.3% is marijuana” is a useful shorthand, not a complete quotation of the statute.
State-authorized marijuana programs do not erase the federal distinction. Conversely, fitting the federal hemp definition does not guarantee that every state permits the product’s manufacture, possession, retail sale, or delivery.
The federal rule through November 11, 2026
Until the scheduled amendment takes effect, the current federal hemp definition continues to state no more than 0.3% delta-9 THC on a dry-weight basis. “Dry weight” means the concentration is evaluated after accounting for moisture, rather than by using the total weight of a wet sample or the weight of a retail package.
That statutory wording should not be turned into the claim that a delta-9 result alone decides every current hemp question. The federal hemp-production program already requires a different, related compliance procedure before harvest. USDA’s official laboratory testing guidelines require post-decarboxylation or another similarly reliable method that accounts for the potential conversion of THCA into delta-9 THC. USDA describes that crop result as total THC and requires it on a dry-weight basis.
USDA’s hemp-program FAQ expresses the common production calculation as delta-9 THC + (THCA × 0.877). It also explains that this testing applies to licensed production before harvest. A production test, a finished-product certificate of analysis, and a retail-law determination are related but not interchangeable.
For the laboratory terms and arithmetic, see Plain Jane’s total THC vs. delta-9 THC guide. To evaluate whether a report actually matches a product and batch, use the THCA COA checklist.
What changes on November 12, 2026
Public Law 119-37 was enacted on November 12, 2025. Section 781 states that its amendment takes effect 365 days after enactment, making the scheduled effective date November 12, 2026.
The amendment changes the federal hemp definition from the current delta-9-only statutory threshold to no more than 0.3% total tetrahydrocannabinols on a dry-weight basis, expressly including THCA. A flower or derivative would not meet that scheduled definition by pointing only to a delta-9 THC result while ignoring THCA.
The amendment also excludes specified intermediate and final hemp-derived cannabinoid products. For final products, one exclusion applies when the product contains greater than 0.4 milligrams combined total per container of total tetrahydrocannabinols, including THCA, plus other cannabinoids determined by the Department of Health and Human Services to have, or be marketed as having, similar effects. The law defines the container as the innermost retail packaging in direct contact with the product—not an outer shipping carton.
The 0.4-milligram container exclusion and the 0.3% total-THC definition are separate provisions. One does not replace the other. The exact product form and all applicable parts of the revised statute must be considered.
Congress may amend the scheduled framework, but a newly introduced bill does not change enacted law by itself. Plain Jane tracks a current proposal separately in the Lawful Hemp Protection Act status guide.
What USDA regulates
USDA’s hemp program primarily governs agricultural production under federal, state, and Tribal plans. It covers licensing, sampling, preharvest testing, reporting, and the handling of noncompliant crops. It is not a universal approval program for every finished item sold at retail.
7 U.S.C. § 1639p permits state and Tribal production plans to be more stringent than the federal baseline. A grower’s obligations therefore depend on the plan governing the crop. Measurement uncertainty and sampling rules can also affect a production compliance result; a number copied from a retail page cannot substitute for the official sample and report.
What FDA regulates
The 2018 Farm Bill did not remove FDA authority over foods, drugs, dietary supplements, cosmetics, or animal products. FDA’s cannabis and CBD regulatory FAQ states that a product meeting the federal hemp definition must still comply with the Federal Food, Drug, and Cosmetic Act and other applicable requirements.
FDA currently says THC and CBD products cannot be marketed as dietary supplements, and that introducing food with added THC or CBD into interstate commerce is prohibited under the agency’s stated interpretation, subject to the statute and its exceptions. Certain hemp-seed ingredients have a different FDA history. Product form and marketing claims therefore matter; “hemp-derived” is not an all-purpose FDA authorization, and no cannabis product should be promoted with unapproved disease-treatment claims.
Why state law and destination still matter
States can impose rules that are stricter or simply different from the federal hemp baseline. Depending on the jurisdiction, those rules may address total THC, specific cannabinoids, flower, inhalable products, age, testing, packaging, licenses, possession, sale, or delivery. Effective dates also matter because filed bills, enacted statutes, emergency rules, and agency guidance do not have the same legal status.
A federal hemp classification is not a nationwide shipping promise. Section 10114 of the Agriculture Improvement Act of 2018 includes protections for transporting lawfully produced hemp, but that is not the same as requiring every state to permit the retail sale or delivery of every hemp-derived product. Check the destination’s current official sources and Plain Jane’s maintained THCA laws by state guide before relying on a general statement.
How to evaluate a product without relying on a label
- Identify the form. Flower, an intermediate ingredient, a finished edible, an oil, and an industrial-hemp material can fall under different provisions.
- Match the documentation. Confirm the product, batch or lot, report date, laboratory, analyte, and unit.
- Read separate THC fields separately. Delta-9 THC, THCA, and total THC are not synonyms.
- Check the relevant date. The federal wording through November 11, 2026 differs from the amendment scheduled for November 12.
- Check the destination. Use current state-agency or statutory sources, not only a national summary.
- Review current inventory and checkout. If a product is eligible for the destination, Plain Jane’s THCA collection is the source for current products, options, prices, and availability.
Frequently asked questions
Are hemp and marijuana the same plant?
They are both cannabis. Federal law distinguishes legal categories using statutory criteria rather than appearance or a common strain label. A botanical description alone does not establish federal status.
Does THCA count under current federal law?
The current statutory hemp definition uses delta-9 THC, but USDA production testing already accounts for the potential conversion of THCA through post-decarboxylation or a similarly reliable method. Beginning November 12, 2026, the scheduled statutory definition itself expressly includes THCA within total tetrahydrocannabinols.
Is hemp-derived CBD automatically legal?
No. Hemp status addresses one federal controlled-substance distinction. FDA requirements, state law, intended use, ingredients, labeling, claims, and destination can still affect a particular product.
Does state marijuana legalization change federal law?
No. State law may authorize conduct under that state’s system, while federal law continues to classify cannabis under federal definitions. Both bodies of law can matter to the same conduct.
Does the November 2026 law ban every hemp product?
No. It narrows and restructures the federal hemp definition, including a total-THC standard and product exclusions. The analysis depends on the material or product. It is more precise to ask whether that item fits the revised definition than to call all hemp banned.
Official sources
- Office of the Law Revision Counsel: 7 U.S.C. § 1639o, current text and future amendment
- Office of the Law Revision Counsel: 21 U.S.C. § 802 definitions
- Office of the Law Revision Counsel: 7 U.S.C. § 1639p state and Tribal production plans
- GovInfo: Public Law 119-37 details and official formats
- USDA Agricultural Marketing Service: hemp laboratory testing guidelines
- FDA: cannabis and cannabis-derived product regulation FAQ