Is weed legal in Michigan?

Recreational status

Recreational cannabis is legal in Michigan. (Michigan Regulation and Taxation of Marihuana Act: Adult-Use Establishments)

Michigan put the recreational market and the patient registry under one agency, so the same regulator answers for both counters. The figures below therefore change with your paperwork rather than with the shop you are standing in.

Medical status

A full medical cannabis program runs in Michigan, serving patients the program registers. (MMMP Patients & Caregivers)

This regulator page and Mich. Admin. Code R 420.505 describe the registry program and its sale-verification procedure rather than list qualifying conditions; neither states a product-form or THC-content limit. R 420.505(1) requires a marihuana sales location to verify a 'registered qualifying patient or primary caregiver' identification card under the Medical Marihuana Facilities Licensing Act (MMFLA) before selling 'marihuana product,' the same undifferentiated product category used for adult-use sale, rather than a separately defined low-THC or CBD-only preparation.

The program is a registry rather than a prescription, so what a store checks is the card and the person holding it. Registering changes the figures you are sold against, though the product category is the same one a recreational customer buys from.

Hemp-derived products

Michigan permits the sale of hemp-derived products and limits which ones. (Industrial Hemp in Food and Dairy Products)

Only three FDA-GRAS hemp seed-derived ingredients -- hulled hemp seed, hemp seed protein powder, and hemp seed oil -- may lawfully go into a food product; each physical location handling that food must hold a Michigan food establishment license. Growing hemp for such use requires an MDARD Hemp Grower Registration, and manufacturing it requires a Cannabis Regulatory Agency (CRA) Hemp Processor-Handler License and a Food Establishment License. Any hemp-derived product above 0.3 percent THC is classified as marihuana and regulated by the CRA instead. The CRA's adult-use page separately notes that the Michigan Regulation and Taxation of Marihuana Act 'also allows for the production of industrial hemp,' and CRA Rules R 420.1001 through R 420.1003 license testing and processing of industrial hemp kept separate from marihuana product.

A hemp label on a Michigan food is about the seed rather than the cannabinoid, because only three seed-derived ingredients may go into food at all. Anything above the state's THC line stops counting as hemp and is regulated as marihuana instead, which moves it out of the grocery aisle and back under the agency.

Home cultivation

Michigan allows an adult to grow up to 12 plants at home. (Michigan Regulation and Taxation of Marihuana Act: Adult-Use Establishments)

This CRA overview is the only registered source for this question. It states a single figure -- up to 12 plants in a home -- without distinguishing mature from immature plants or stating whether the limit runs per person or per residence.

One number with no split by growth stage means a seedling counts the same as a plant ready to harvest. Whether twelve belongs to each adult or to the address is the thing the agency's page does not settle, so a second adult in the house is the case to ask about before planting.

Possession and purchase limits

The possession limit, as Michigan states it: 2.5 ounces in possession. (Michigan Regulation and Taxation of Marihuana Act: Adult-Use Establishments)

This CRA overview is the only registered source for this question and states no breakdown by concentrate or other product form.

On buying, Michigan states: A marihuana retailer may not sell or transfer marihuana to an adult 21 years of age or older in a single transaction that exceeds 2.5 ounces, of which not more than 15 grams may be marihuana concentrate. (Mich. Admin. Code R 420.506: Purchasing Limits; Transactions; Marihuana Sales Location)

The same rule instead caps a sale under the MMFLA to a registered qualifying patient, or to a registered primary caregiver per connected patient, at 2.5 ounces of marihuana or marihuana equivalent per day and 10 ounces per month. A marihuana sales location may sell no more than 3 immature plants per transaction.

Two and a half ounces is both the most you may carry and the most a single sale may contain, so one lawful purchase can leave you at your possession ceiling on the way out the door. Concentrate is capped inside that figure at the register, which matters when a small package holds a large share of the total.

Minimum age

You must be 21 or over to buy without a medical card. (Michigan Regulation and Taxation of Marihuana Act: Adult-Use Establishments)

Mich. Admin. Code R 420.505(1)(c) requires a marihuana sales location to verify, for a sale under the MRTMA, a government-issued identification card bearing 'a photographic image and proof that the individual is 21 years of age or older.'

You must be 18 or over to hold a card and buy for yourself. (How Do I Register a Minor (Under the Age of 18) with the Michigan Medical Marijuana Program (MMMP)?)

A minor patient under 18 is registered by a parent or legal guardian, who submits the Minor Application Packet and acts as the patient's caregiver.

Which age applies to you depends on the document the counter is looking at, a registry card or a photo identification. A patient who turns 21 gains the recreational route without losing the registry one, and the two sets of figures stay separate.

Where you can buy

You can buy lawfully from a licensed recreational dispensary, a licensed medical dispensary and a licensed delivery service. (Mich. Admin. Code R 420.1: Definitions)

R 420.1(1)(l)(iii) defines the equivalent license pair as 'a marihuana retailer license issued under the Michigan Regulation and Taxation of Marihuana Act and a provisioning center license issued under the medical marihuana facilities licensing act' -- the adult-use-dispensary and medical-dispensary channels recorded here. R 420.207 lets 'a marihuana sales location licensee' engage in delivery under either the MMFLA or the MRTMA, which is the licensed-delivery channel. The MDARD hemp source is not among the register's listed sources for this question, so no hemp-cbd-retailer channel is recorded here even though hemp product sale is separately restricted rather than prohibited.

The Cannabis Regulatory Agency licenses both counters, so a location holding the pair of licenses can serve you on a card or on an ID. Michigan's own rules spell the word marihuana with an h, which is worth knowing when a search for a licensed shop returns nothing.

Michigan licenses somewhere to buy, and this site does not yet hold a record for any location here. The state publishes its list in a form this site cannot yet read.

Federal law applies here too, and it is not the same. Read what federal law says about weed.