Hemp Ban Tracker: THCA flower's federal deadline is Dec. 11, 2026
The federal total-THC rule reaches THCA flower on Dec. 11, 2026. Synthetics go first, on Nov. 12. Every date, the statute and what buyers should expect, checked Oct. 3.
The short answer. As of Oct. 3, 2026, federal law stops treating high-THCA flower as hemp on Dec. 11, 2026. On that date Section 781 of Public Law 119-37 begins measuring hemp by total THC, counting THCA, at 0.3 percent of dry weight. Cannabinoids the plant cannot naturally produce lose hemp status a month earlier, on Nov. 12; converted ones such as delta-8 made from CBD share the Dec. 11 date.
WASHINGTON — This page is the desk’s running file on the federal hemp ban. It is rewritten, not appended to, whenever something moves, and every change is logged at the bottom with the date and time it was made.
Where things stand, Oct. 3, 2026
| Item | Status as of Oct. 3, 2026 | Source |
|---|---|---|
| Total-THC definition for THCA flower | Takes effect Dec. 11, 2026 | H.R. 6500, signed Sept. 2 |
| Cannabinoids “not capable of being naturally produced” by the plant | Lose hemp status Nov. 12, 2026 | Foley Hoag, Sept. 15 |
| 0.4 mg total THC per container | Unchanged; applies with the new definition | CRS IF13136, Aug. 17 |
| FDA cannabinoid lists and “container” guidance (due Feb. 10, 2026) | Not published as of Sept. 3; the desk found none as of Oct. 3 | Marijuana Moment; Hemp Law Group, Sept. 3 |
| Bills to delay, repeal or replace sec. 781 | In committee, no votes scheduled | Hemp Law Group, Sept. 3 |
| Federal funding | Stopgap expires Dec. 11, the same day | AACOM, Sept. 8 |
Why searches still say “hemp ban 2025”
The law is a year old. President Trump signed it on Nov. 12, 2025, inside H.R. 5371, the spending package that ended that autumn’s shutdown and became Public Law 119-37. Its hemp section was written to take effect 365 days later, so the 2025 ban and the 2026 ban are one law with two dates attached: the day it passed and the day it bites.
What Section 781 actually says
Section 781 rewrites the hemp definition first set by the 2018 Farm Bill at 7 U.S.C. 1639o. Today that definition reads only “delta-9 tetrahydrocannabinol concentration of not more than 0.3 percent.” The new text, as quoted by the Congressional Research Service, covers the plant and its derivatives “with a total tetrahydrocannabinols concentration (including tetrahydrocannabinolic acid [THCA]) of not more than 0.3 percent on a dry weight basis.”
Three further pieces matter to anyone buying flower:
- THCA is named in the statute. The 0.877 conversion factor that labs use to turn THCA into a THC figure is a laboratory and USDA convention, not statutory text. The USDA’s grower rule spells it out as delta-9 THC plus 87.7 percent of THCA (7 CFR 990.1). Our THCA vs. THC explainer walks through where the number comes from.
- A per-container cap. Final hemp-derived cannabinoid products for human or animal use, whether eaten, inhaled or applied topically, may hold no more than 0.4 milligrams of total THC, plus cannabinoids with similar effects, per container. The law defines a container as the innermost wrapping or vessel in direct contact with the product, “such as a jar, bottle, bag, box, can, carton, or cartridge.”
- Exclusions. Cannabinoids the plant cannot make, and cannabinoids it can make but that were “synthesized or manufactured outside the plant,” fall outside hemp altogether. The first group leaves on Nov. 12, the second on Dec. 11.
How small 0.4 mg is
Put the cap next to flower and the arithmetic settles most arguments. One gram of flower at exactly 0.3 percent total THC holds 3 milligrams of total THC, about seven times the per-container limit. Whether raw flower counts as a “final hemp-derived cannabinoid product” is one of the questions the FDA’s overdue guidance was meant to answer. For high-THCA flower the question is academic: at 20 percent or more total THC it fails the 0.3 percent definition long before anyone opens the bag.
What H.R. 6500 changed, and what it didn’t
The House passed H.R. 6500, the Continuing Appropriations and Extensions Act, 2027, on Sept. 1 by a vote of 370-48, after the Senate had approved it (Akerman, Sept. 2). The White House announced the signing on Sept. 2.
The bill moved one date. Sec. 2019 of the enrolled bill says that until Dec. 11 the Section 781 amendments apply only to products in subclauses (1)(C)(ii)(I) and (1)(C)(iv)(I). Both cover cannabinoids “not capable of being naturally produced by a Cannabis sativa L. plant” (P.L. 119-37), and those keep Nov. 12. Everything else got 30 more days: THCA flower, and also cannabinoids the plant can make that were “synthesized or manufactured outside the plant,” the subclause that covers delta-8 converted from CBD.
It left the 0.3 percent figure, the total-THC method, the 0.4 mg cap and every state law exactly as they were.
Nov. 12 and Dec. 11, side by side
| Nov. 12, 2026 | Dec. 11, 2026 | |
|---|---|---|
| Federal: who is affected | Cannabinoids the plant cannot naturally produce | THCA flower, converted plant cannabinoids and all other hemp THC products |
| Federal: what happens | They leave the hemp definition | Total-THC test and 0.4 mg cap apply |
| Converted products such as delta-8 made from CBD | Not reached: delta-8 occurs in the plant, so converted delta-8 is in subclause (II). It moves to Nov. 12 only if the FDA’s overdue list finds delta-8 not capable of being naturally produced | Lose hemp status as cannabinoids “synthesized or manufactured outside the plant”; the total-THC definition and cap also apply |
| States with dates | Ill., Mo., Vt. (see our Nov. 12 report) | None scheduled; states that track the federal definition move with it |
| Also expiring | — | Federal stopgap funding |
What changes for buyers on Dec. 11
The flower’s legal category. Flower above 0.3 percent total THC stops being hemp and falls back under the federal definition of marijuana in the Controlled Substances Act, 21 U.S.C. 802(16). The product in the bag is the same; its federal classification is not.
The lab report that matters. A certificate of analysis that passes on delta-9 alone no longer shows federal compliance after Dec. 10. The total THC line does. Our guide to reading a COA shows where to find it and how to check the math.
Shipping. The Postal Service treats controlled substances as nonmailable (USPS Publication 52). Mail and parcel shipments of high-THCA flower lose the hemp footing they rely on today.
No grace period that we can find. None of the analyses of sec. 781 the desk reviewed, including CRS’s, describe a sell-through window or a grandfather clause for flower bought before the date.
Licensed dispensaries carry on. In the 24 states with adult-use cannabis, plus D.C. for possession, high-THC flower sold in licensed stores is regulated as marijuana under state law already. Dec. 11 does not touch that lane. Our legality hub explains the difference between the hemp-retail lane and the licensed lane, state by state.
State law keeps running on its own clock. Texas, Tennessee and California, among others, already close their hemp-retail lane to THCA flower under their own statutes and rules. Those closures do not depend on Congress and will not lift if Congress delays again.
Could the date move again?
It could. Because the THCA deadline and the stopgap funding now expire together, any further delay would most likely ride on the next spending bill, which Congress has to pass after the Nov. 3 election. Standalone bills exist but have not moved, according to Hemp Law Group’s Sept. 3 survey:
| Bill | What it would do | Status, Sept. 3, 2026 |
|---|---|---|
| H.R. 7024, Hemp Planting Predictability Act | Delay implementation to Nov. 12, 2028 | In committee |
| H.R. 6209, American Hemp Protection Act | Repeal the definition change | In committee |
| H.R. 9830, Lawful Hemp Protection Act | Create a federal regulatory framework | In committee |
| H.R. 10079, Beverage Regulatory Parity Act | Regulate hemp beverages separately | In committee |
The desk will update this tracker within hours of any committee vote, spending-bill text or agency statement.
Coming dates
| Date | Event |
|---|---|
| Nov. 1, 2026 | Oklahoma: hemp beverages become 21+ |
| Nov. 3, 2026 | Election; see our ballot report |
| Nov. 12, 2026 | Federal synthetics date; Illinois, Missouri and Vermont rule changes |
| Nov. 13, 2026 | New Jersey hemp-beverage sell window ends |
| Dec. 11, 2026 | Federal total-THC rule reaches THCA flower; stopgap funding ends |
Primary sources
- H.R. 5371 (P.L. 119-37), sec. 781, Congress.gov
- H.R. 6500, Continuing Appropriations and Extensions Act, 2027, Congress.gov
- Congressional Bill H.R. 6500 Signed into Law, The White House, Sept. 2, 2026
- CRS In Focus IF13136, Aug. 17, 2026
- 7 U.S.C. 1639o (current hemp definition) and 7 CFR 990.1 (USDA conversion factor)
Tracker log
- Oct. 3, 2026. Reviewed against the sources on this page. No change to either date; the desk found no published FDA lists.
- Sept. 2, 2026. H.R. 6500 signed; THCA flower’s date moves from Nov. 12 to Dec. 11.
- Sept. 1, 2026. House passes H.R. 6500, 370-48.
- Feb. 10, 2026. FDA deadline for the cannabinoid lists passes without publication.
- Nov. 12, 2025. P.L. 119-37 signed with sec. 781.
This is reporting, not legal advice. Read the statute and ask a lawyer licensed in your state.
Questions readers asked
When does the federal hemp ban take effect?
For THCA flower, and for cannabinoids the plant can make even when they were converted outside it, such as delta-8 from CBD, Dec. 11, 2026. For cannabinoids that cannot be naturally produced by the cannabis plant, Nov. 12, 2026. Both dates are as of Oct. 3, 2026.
Is the hemp ban 2025 the same as the hemp ban 2026?
Yes. Congress passed the law on Nov. 12, 2025, as Section 781 of Public Law 119-37. It was written to take effect a year later, and H.R. 6500 moved the THCA flower date to Dec. 11, 2026.
Does the 0.4 mg per-container cap apply to flower?
The cap covers final hemp-derived cannabinoid products meant to be eaten, inhaled or applied to the skin. Flower above 0.3 percent total THC fails the hemp definition before the cap is reached, and the FDA has not yet issued its promised guidance on what counts as a container.
Can Congress delay the date again?
It can. The THCA date now falls on the same day the government's stopgap funding expires, so the next spending bill is the likeliest vehicle. As of Oct. 3, 2026, no bill moving the date had received a vote.
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