Is Delta-8 Legal in Idaho? What the Law Says in 2026

Quick answer: No. Delta-8 THC is illegal in Idaho. Idaho lists all tetrahydrocannabinols, their isomers and synthetic equivalents in Schedule I (Idaho Code § 37-2705(d)(29)) and exempts only ‘the permitted amount of tetrahydrocannabinol found in industrial hemp’; the Idaho State Department of Agriculture reads the 2021 hemp law to require finished hemp products sold at retail to contain 0% THC. A 2026 law (H 879, effective July 1, 2026) put retail hemp-product sellers under the Industrial Hemp Act’s authority, and marijuana possession carries a $300 mandatory minimum fine since July 1, 2025.

Status: Banned · Last reviewed September 18, 2026 by Alex Hale, editor · Part of our delta-8 laws by state guide.

Federal law is changing too. Public Law 119-37 (signed November 12, 2025) rewrites the federal definition of hemp. Cannabinoids that are synthesized or converted outside the plant — which is how most delta-8 is made — lose federal hemp status on November 12, 2026, and from December 11, 2026 any hemp product with more than 0.4 mg of total THC per container is no longer federally “hemp”. That applies in every state, whatever state law says. Read our federal explainer and the status of every state.

Delta-8 in Idaho at a glance

RuleWhat Idaho law says
StatusBanned
Minimum ageNot applicable: no THC products may be sold to anyone. (ISDA-licensed hemp handlers may process raw hemp up to 0.3% THC only into THC-free end products.)
THC limitsZero THC in any finished hemp product at retail (ISDA and Office of Drug Policy interpretation of H 126/2021). Raw industrial hemp may contain up to 0.3% total delta-9 THC (incl. THCA) only in the licensed cultivation/processing chain. Any detectable delta-8, delta-9, delta-10, THCA, etc. in a consumer product makes it a Schedule I controlled substance/marijuana.
Licensing to sellISDA licenses hemp producers and handlers (§ 22-1704/22-1705). ISDA has stated it does not license retailers, but H 879 (eff. July 1, 2026) makes retail establishments selling ingestible/inhalable hemp products subject to the Act and ISDA authority; any future retail fees would need legislative approval.
Product restrictionsOnly THC-free hemp products (e.g., CBD isolate products with 0% THC, hulled hemp seed, hemp seed oil/protein) may be sold. Delta-8 gummies, vapes, beverages and THCA flower are all prohibited.
Labeling and testingNo consumer-product labeling/testing regime beyond the requirement that products contain no THC; ISDA hemp rules govern licensed producers/handlers.
Where it can be soldNowhere. Idaho has no medical or adult-use marijuana program and no legal retail channel for any THC product.

What the law says

These are the statutes, rules, opinions and decisions that determine whether delta-8 is legal in Idaho. Where an official copy exists online we link to it; the full list of everything we consulted is in the Sources section below.

  • Idaho Code § 37-2705(d)(29) — Schedule I: tetrahydrocannabinols, synthetic equivalents, derivatives and isomers, except the permitted amount of THC found in industrial hemp (last amended 2026 ch. 90, H 497) (official text)
  • Idaho Code § 37-2701(u) — Definition of marijuana; excludes industrial hemp with total delta-9 THC (incl. THCA, post-decarboxylation) ≤0.3% (official text)
  • Idaho Code §§ 22-1701 to 22-1706 (Industrial Hemp Research and Development Act, H 126, 2021) — Hemp definition (§ 22-1703) and ISDA regulatory authority; § 22-1705 amended by H 879 (2026 Sess. Law ch. 292, eff. July 1, 2026) to cover establishments selling hemp products for ingestion or inhalation (official text)
  • H 879 (2026), Session Law ch. 292 — Amends § 22-1705: retail establishments offering hemp products intended for human ingestion or inhalation are subject to the Act and products must meet §§ 37-2701(u) and 37-2705(d)(29)(i) (official text)
  • Idaho Code § 37-2732 — Penalties for possession and manufacture/delivery of controlled substances, incl. $300 mandatory minimum fine for marijuana possession (H 7, 2025) (official text)

How we got here: timeline

  • April 16, 2021 — H 126 signed (Industrial Hemp Research and Development Act, Idaho Code title 22 ch. 17), legalizing hemp cultivation/processing but keeping THC out of consumer products.
  • February 26, 2025 — Gov. Little signs H 7 imposing a $300 mandatory minimum fine for possession of ≤3 oz of marijuana; effective July 1, 2025.
  • March 11, 2025 — Legislature passes HJR 4, referring to the Nov. 3, 2026 ballot a constitutional amendment giving only the Legislature power to legalize marijuana, narcotics or other psychoactive substances.
  • April 2, 2026 — Gov. Little signs H 879 (Session Law ch. 292) subjecting retail sellers of ingestible/inhalable hemp products to the Industrial Hemp Act; passed House 53-16-1 (Mar. 20) and Senate 24-10-1 (Mar. 31).
  • July 1, 2026 — H 879 and H 497 (2026 ch. 90, updating Schedule I; THC paragraph unchanged) take effect.
  • November 3, 2026 — HJR 4 constitutional amendment on the general-election ballot.

Penalties

Delta-8 products are Schedule I controlled substances (§ 37-2705(d)(29)) and/or marijuana. Under Idaho Code § 37-2732: possession of 3 oz or less of marijuana is a misdemeanor punishable by up to 1 year in jail and up to $1,000, with a mandatory minimum $300 fine (H 7, 2025); more than 3 oz is a felony (up to 5 years, $10,000). Manufacture, delivery or possession with intent to deliver a Schedule I non-narcotic substance is a felony punishable by up to 5 years and $15,000. Possession of a non-marijuana Schedule I substance (which a delta-8 extract could be charged as) is a felony. Driving under the influence of THC is prosecuted under Idaho Code §§ 18-8004/18-8005.

What is pending in 2026

HJR 4 (constitutional amendment limiting drug-legalization initiatives) is on the Nov. 3, 2026 ballot. ISDA may pursue fee/rule changes to implement H 879 retail oversight (any fees require legislative approval). No pending litigation on delta-8 located. Idaho’s zero-THC standard is stricter than the federal 0.4 mg cap, so the federal change (Nov./Dec. 2026) does not loosen Idaho law.

Frequently asked questions

Can I buy delta-8 gummies or vapes anywhere in Idaho?

No. Any product with detectable THC of any kind—including delta-8—is a Schedule I controlled substance under Idaho Code § 37-2705, and ISDA requires finished hemp products to be 0% THC. Stores selling them are breaking the law, and since July 1, 2026 (H 879) hemp-product retailers are also subject to ISDA’s authority.

Can I bring delta-8 or hemp THC products I bought legally in Oregon, Washington or Nevada into Idaho?

No. Legality in the state of purchase does not matter; possession in Idaho is a crime. Possession of ≤3 oz of marijuana is a misdemeanor with a $300 mandatory minimum fine and up to a year in jail (§ 37-2732).

Is THCA flower legal in Idaho?

No. Idaho’s marijuana definition (§ 37-2701(u)) measures total delta-9 THC including THCA after decarboxylation, and consumer hemp products must be THC-free. THCA flower is treated as marijuana.

Is CBD legal in Idaho?

Only if it contains 0% THC (per the Idaho Office of Drug Policy and ISDA). Full-spectrum CBD with trace THC is illegal; the only THC-containing exception is FDA-approved Epidiolex by prescription.

Sources

All sources were accessed on September 18, 2026. Status labels are explained on our How we research page.

Related state guides

This guide explains the law; it is not legal advice. Our editor is not a lawyer, enforcement can vary by county, and laws change. For a decision that matters to you, consult a licensed attorney in your state. Found an error or a newer ruling? Email alex@legalbystate.com and we will fix it and note the change.