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Home » Hemp State Laws » California, USA

California Hemp & Hemp‑Derived Cannabinoid Laws (2026)

Last reviewed: September 1, 2026

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This guide provides educational information on California’s hemp and hemp‑derived cannabinoid laws as of September 1, 2026. It is for educational purposes only and does not constitute legal advice.

California, USA hemp laws: quick overview

California defines “industrial hemp” as Cannabis sativa L. with total THC (Δ9‑THC + THCA) ≤ 0.3 % dry weight, per Health & Safety Code § 11018.5, amended by AB 8 (Stats. 2025, Ch. 248), effective January 1 2026 ([law.justia.com](https://law.justia.com/codes/california/code-hsc/division-10/chapter-1/section-11018-5/?utm_source=openai)). Total THC calculation includes measurement of uncertainty as defined by CDFA ([law.justia.com](https://law.justia.com/codes/california/code-hsc/division-10/chapter-1/section-11018-5/?utm_source=openai)). AB 45 (2021) and CDPH public notice DPH‑24‑005B require industrial hemp products to contain ≤ 0.3 % total THC including Δ8, Δ9, Δ10, and THCA; THC isolate and synthetic cannabinoids are prohibited ([cdph.ca.gov](https://www.cdph.ca.gov/Programs/OLS/CDPH%20Document%20Library/DPH-24-005B-IH_Cannabinoids_PublicNotice.pdf?utm_source=openai)). Emergency regulations (DPH‑24‑005) effective September 23 2024 ban any detectable THC per serving in hemp ingestibles, set minimum age 21, and limit servings to five per package ([cdph.ca.gov](https://www.cdph.ca.gov/Programs/OLS/Pages/DPH-24-005-Emergency-and-Regular_Rulemaking-Regulations-for-Industrial-Hemp.aspx?utm_source=openai)). AB 8 (Stats. 2025, Ch. 248), effective January 1 2026, prohibits hemp flower, pre‑rolls, and inhalable hemp products in‑state; extraction for ingestibles and cosmetics must be THC‑free (cosmetics may contain ≤ 0.3 % total THC dry weight) and require CDPH IHEO authorization; from January 1 2028, DCC licensing is required for cannabinoid extraction and hemp concentrates are regulated as cannabis ([cdph.ca.gov](https://www.cdph.ca.gov/Programs/CEH/DFDCS/Pages/FDBPrograms/FoodSafetyProgram/AssemblyBill8FAQ.aspx?utm_source=openai)).

Shipping guidance

Inbound shipments of hemp plant material and seeds are allowed under CDFA registration; hemp final‑form ingestibles must comply with CDPH rules (no detectable THC, age‑21 restriction). Retailers must ensure products are CDPH‑authorized; hemp flower and pre‑rolls cannot be shipped into or sold in California.

Testing & COA guidance

Manufacturers must obtain a Certificate of Analysis (COA) showing total THC ≤ 0.3 % dry weight (including Δ8, Δ9, Δ10, THCA) and confirm CBD/CBN isolate purity (>99% of chromatographic peaks) for ingestibles and cosmetics (AB 8, effective Jan 1 2026) ([cdph.ca.gov](https://www.cdph.ca.gov/Programs/CEH/DFDCS/Pages/FDBPrograms/FoodSafetyProgram/AssemblyBill8FAQ.aspx?utm_source=openai)). CDFA requires pre‑harvest THC testing by registered labs per Food & Ag Code § 81006(e) ([cdfa.ca.gov](https://www.cdfa.ca.gov/plant/industrialhemp/faq.html?utm_source=openai)). ISO/IEC 17025 accreditation not explicitly stated in sources—set to null.

What to buy

Hemp‑derived CBD or CBN isolate products (food, beverages, dietary supplements, cosmetics) with no detectable THC, ≤ 0.3 % total THC in cosmetics, CDPH‑authorized (IHEO).

What to avoid

Avoid hemp flower, pre‑rolls, inhalable hemp products, any ingestible with detectable THC, products containing THC isolate or synthetic cannabinoids (Δ8, Δ10, HHC, etc.), even if derived from hemp.

How to shop compliant, tested hemp

  • Industrial hemp must contain ≤ 0.3 % total THC (Δ9 + THCA) by dry weight (Health & Safety Code § 11018.5, effective Jan 1 2026)
  • Hemp‑derived food, beverages, dietary supplements must contain no detectable THC per serving (CDPH emergency regs DPH‑24‑005, effective Sept 23 2024)
  • Minimum purchase age is 21 for hemp final‑form ingestibles (DPH‑24‑005, effective Sept 23 2024)
  • No more than 5 servings per package for hemp ingestibles (DPH‑24‑005, effective Sept 23 2024)
  • Manufacturers must hold CDPH IHEO authorization; from Jan 1 2028, cannabinoid extraction requires DCC license (AB 8, effective Jan 1 2026 and Jan 1 2028)
  • Hemp flower and pre‑rolls are prohibited for sale in‑state (Health & Safety Code § 11018.5(c), AB 8, effective Jan 1 2026)

Helpful resource: Learn more about California, USA

Educational content only — not legal or medical advice.

Shop compliant hemp in California, USA

Every product ships with a batch-matched certificate of analysis, so you can confirm it meets the California, USA limits described above before you buy. See all California, USA delivery areas.

Popular California, USA delivery areas:

Hemp laws in nearby states:

Back to Hemp State Laws hub

FAQ

Partially. California restricts hemp-derived THCA products as of September 1, 2026 (see California Health & Safety Code § 11018.5) — limits may apply to potency, product type, or point of sale. Rules change quickly; verify current guidance before purchasing.
No. California currently prohibits hemp-derived delta-10 THC as of September 1, 2026 (see California Health & Safety Code § 11018.5). Rules change quickly; verify current guidance before purchasing.
No. California currently prohibits hemp-derived HHC products as of September 1, 2026 (see California Health & Safety Code § 11018.5). Rules change quickly; verify current guidance before purchasing.
No. California currently prohibits smokable hemp flower as of September 1, 2026 (see California Health & Safety Code § 11018.5). Rules change quickly; verify current guidance before purchasing.
In California as of September 1, 2026, total THC (delta-9 + THCA) is capped at 0.3% (see California Health & Safety Code § 11018.5). Rules change quickly; verify current guidance before purchasing.
No. Health & Safety Code § 11018.5(c) and AB 8 (effective Jan 1 2026) prohibit sale of hemp flower and pre‑rolls in California.
No. CDPH emergency regulations (DPH‑24‑005) require no detectable THC per serving in hemp ingestibles.
You must be at least 21 to purchase hemp final‑form ingestible products (DPH‑24‑005).
No. AB 45 and AB 8 prohibit THC isolate and synthetic cannabinoids, including delta‑8, delta‑10, HHC, etc.
Yes. CDPH IHEO authorization is required for hemp ingestibles and cosmetics (effective Jan 1 2026); from Jan 1 2028, DCC licensing is required for cannabinoid extraction and hemp concentrates.

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*These statements have not been evaluated by the Food and Drug Administration (FDA). These products are not intended to diagnose, treat, cure, or prevent any disease. Content generated by Artificial Intelligence and other automated systems is provided for general informational purposes only and may be inaccurate or incomplete; do not rely on it as medical, legal, or other professional advice. Some content on this site, including blog posts, articles, guides, product descriptions and summaries, may be generated or assisted by Artificial Intelligence and may not be reviewed by a human before publication. Always read product labels, follow manufacturer directions, and consult a qualified professional for questions. Availability, pricing, and shipping estimates may change. You are responsible for complying with applicable laws and age restrictions in your jurisdiction.