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Reviewed Sep 2026Medical only

Cannabis in Iowa

Iowa cannabis laws: medical cannabis in low-THC extracts (4.5 g THC per 90 days) for about 20,000 patients; adult use illegal; 2026 law doubles dispensaries.

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The rules

Key rules in Iowa

Plain-language summary. The regulator is Iowa Department of Health and Human Services — Medical cannabis.

  • Adult use

    Illegal

  • Medical

    Iowa Medical Cannabidiol Program: non-smoked products only; nearly 20,000 registered patients

  • Card

    $100; $25 with proof of disability, SSI, Medicaid or veteran status

  • Purchase limit

    4.5 g THC per 90 days; waivers for terminal or established patients

  • Dispensaries

    Doubled from 5 to 10 by HF 990 (2026)

  • Possession without a card

    First offense: up to 6 months, $1,000; second: up to 1 year, $2,560

  • Hemp

    4 mg THC per serving, 10 mg per package; 21+; HHS registration; no delta-8 or smokable flower

Summary, not legal advice — rules change; check local law. Last reviewed Sep 2026.

How it works

How cannabis is sold in Iowa

Iowa's medical cannabis program covers extracts and other non-smoked products, not flower, and it caps what a patient can buy. It began as the Medical Cannabidiol Act in 2014 and became operational in 2018. The Department of Health and Human Services (HHS) registers patients, approves products and licenses dispensaries. Nearly 20,000 Iowans were registered as of mid-2026, according to NORML.

A patient sees a practitioner (an MD or DO, physician assistant, ARNP or podiatrist) who signs a certification form within 60 days of application, then applies online; HHS says it reviews applications within seven days. The card costs $100, or $25 with proof of disability benefits, SSI, Medicaid or veteran status. Fourteen conditions qualify, including cancer, seizures, Crohn's disease, chronic pain, multiple sclerosis, AIDS or HIV, ALS, Parkinson's disease, PTSD, terminal illness and autism. Vaporizable, oral, sublingual and topical products are allowed; combustible flower is not. Purchases are capped at 4.5 grams of THC per 90 days, with waivers for terminal patients and for returning patients whose practitioners find the amount insufficient.

Governor Kim Reynolds signed House File 990 in the spring of 2026, doubling the number of licensed dispensaries from five to ten and giving nonresidents a pathway to state-authorized products. Two manufacturers, Bud & Mary's and Iowa Cannabis Company, supply the market.

Cannabis outside the program is illegal. A first offense of simple possession is a misdemeanor with up to six months in jail and a $1,000 fine; a second offense carries up to a year and $2,560, and a third is an aggravated misdemeanor with up to two years. Hemp follows a stricter regime since House File 2605 (2024): consumable hemp is limited to 4 mg of THC per serving and 10 mg per package, buyers must be 21, sellers register with HHS, and synthetic cannabinoids including delta-8 and smokable flower are barred.

Cannabis in Iowa: questions

Is weed legal in Iowa?

Only through the medical cannabidiol program, which allows low-THC extracts and other non-smoked products. Adult-use cannabis is illegal, and a first offense of possession carries up to six months in jail and a $1,000 fine.

How do you get a medical cannabis card in Iowa?

A qualified practitioner completes a certification form, and you apply online with HHS, which says it reviews applications within seven days. The card costs $100, or $25 with proof of disability benefits, SSI, Medicaid or veteran status.

How much can an Iowa patient buy?

Up to 4.5 grams of THC in any 90 days by default. A practitioner can set a higher amount for terminal patients and for returning patients for whom 4.5 grams is not enough.

Is delta-8 legal in Iowa?

No. Iowa's 2024 consumable hemp law limits products to 4 mg of THC per serving and 10 mg per package for buyers 21 and older, and it bars synthetic cannabinoids such as delta-8 and smokable hemp flower.

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