Wisconsin Cannabis Laws: What's Legal & What's Not

TL;DR: Current Cannabis Legality in Wisconsin

• Recreational cannabis: Illegal. No possession, sale, or cultivation is permitted for adult-use purposes.
• Medical cannabis: No comprehensive medical program exists. There is no dispensary system, patient registry, or legal way to obtain cannabis for medical use in Wisconsin.
• CBD from hemp: Legal, provided the product is derived from hemp and contains no more than 0.3% THC on a dry-weight basis, consistent with federal standards under the 2018 Farm Bill and Wisconsin Statutes Chapter 94.55.
• Penalties: Active and enforced. First-offense possession is a misdemeanor. Repeat offenses and distribution charges escalate to felonies.

In Wisconsin, the legal line is simple: hemp-derived CBD products under the federal THC threshold are permissible. Anything involving cannabis plant material, THC concentrates, or cannabis sales is a criminal matter under Wisconsin Statutes Chapter 961.

Detailed Breakdown of Wisconsin Cannabis Laws

Marijuana vs. Hemp: How Wisconsin Defines Them

Wisconsin law aligns with federal definitions. Under Wisconsin Statutes §94.55(1), hemp is defined as the Cannabis sativa plant and any part of that plant with a delta-9 THC concentration of no more than 0.3% on a dry-weight basis. Anything above that threshold is classified as marijuana and falls under the controlled substances framework of Wisconsin Statutes Chapter 961.

A compliant hemp-derived CBD tincture is legal to sell and possess. Conversely, cannabis flower with 20% THC is a Schedule I controlled substance under Wisconsin Statutes §961.14(4)(t), irrespective of cultivation method or possession intent.

Recreational Cannabis

There is no legal recreational cannabis in Wisconsin. Possession of any amount of marijuana is a criminal offense (Wisconsin Statutes §961.41(3g)). There are no personal-use exemptions, no home cultivation allowances, and no licensed retail framework. Wisconsin has not decriminalized possession at the state level, meaning even small amounts carry criminal penalties rather than civil fines.

Medical Cannabis

Wisconsin has no medical cannabis program. There is no patient registry, no licensed dispensary system, and no physician certification pathway. The narrow exception covers cannabidiol (CBD) in a specific context: Wisconsin Statutes §961.32(2m) permits the use of a CBD preparation with a THC concentration of no more than 0.3% for individuals with a seizure disorder, provided a physician has documented the condition. This is an extremely limited carve-out, not a functional medical program. Patients cannot obtain cannabis flower, THC oils, or any other cannabis-derived product through a legal Wisconsin channel.

Hemp and Hemp-Derived CBD

Wisconsin established its hemp program under Wisconsin Statutes Chapter 94.55, administered by the Wisconsin Department of Agriculture, Trade and Consumer Protection (DATCP). Growers and processors must be licensed through DATCP. The program aligns with the USDA's federal hemp framework, requiring that crops test at or below 0.3% delta-9 THC before harvest.

Consumers can legally purchase hemp-derived CBD products, including oils, topicals, and edibles, as long as those products meet the THC threshold. Retailers do not need a special cannabis license to sell compliant hemp products, though food and supplement regulations from the Wisconsin Department of Agriculture, Trade and Consumer Protection may apply.

Federal vs. State Scheduling

Cannabis remains a Schedule I controlled substance under the federal Controlled Substances Act (21 U.S.C. §812). Wisconsin's Schedule I list under Wisconsin Statutes §961.14 mirrors this classification for marijuana. The DEA has initiated rulemaking to potentially reschedule cannabis to Schedule III at the federal level, but as of this writing that process is not complete, and Wisconsin law has not changed in response.

Penalties for Cannabis Offenses in Wisconsin

Wisconsin Statutes Chapter 961 sets out the penalty structure.

Possession

There is no "small amount" exception in Wisconsin. Possessing a single gram for the first time is a misdemeanor. A second offense bumps to a felony, regardless of quantity.

Cultivation and Distribution

Cultivation is treated as manufacture and prosecuted under the same distribution penalty framework.

Drug Paraphernalia

Possession of drug paraphernalia is a separate offense under Wisconsin Statutes §961.573. A first offense is a civil forfeiture of up to $500. A second or subsequent offense becomes a Class B Misdemeanor, carrying up to 90 days in jail and a $1,000 fine (Wisconsin Statutes §961.573(2)).

Other Consequences

A cannabis conviction in Wisconsin can affect driving privileges. Courts may order license suspension as part of sentencing. Beyond that, a felony conviction carries the standard collateral consequences: loss of voting rights while incarcerated, restrictions on firearm possession, and impacts on housing and employment eligibility.

Federal Tax Implications for Cannabis Businesses (IRC §280E)

Wisconsin currently has no legal cannabis industry. Should legalization occur, any licensed cannabis business would immediately face federal tax implications under IRC §280E.

What §280E Does

Internal Revenue Code §280E disallows deductions for ordinary and necessary business expenses when a business is trafficking in a Schedule I or Schedule II controlled substance. Because cannabis remains federally Schedule I, any state-legal cannabis business cannot deduct rent, payroll, utilities, marketing, or most other standard operating expenses on its federal tax return.

The COGS Exception

The one carve-out is Cost of Goods Sold (COGS). A cannabis business can still reduce gross income by the direct costs of producing the product it sells. For a cultivator, that means seeds, growing medium, and direct labor tied to production. For a dispensary, it means the wholesale cost of inventory. Everything else is disallowed.

Real-World Tax Impact

A conventional retail business might pay an effective federal tax rate of 21% on net income. A cannabis business subject to §280E often pays an effective rate of 40% to 70% or higher on gross profit, because it cannot offset revenue with most operating costs. This burden has driven multiple state-legal cannabis companies into insolvency.

Relevance to Wisconsin

If Wisconsin legalizes cannabis while the federal Schedule I classification remains in place, every licensed dispensary and cultivator in the state will operate under §280E from day one. Prospective operators need to build this into pro forma financial models before applying for any license. The pending DEA rulemaking to move cannabis to Schedule III would eliminate §280E applicability, since §280E only covers Schedule I and II substances, but that rescheduling is not final.

The Path to Legalization: Wisconsin's Legislative Landscape

Past Legislative Efforts

The most concrete push came in 2019, when Governor Tony Evers included both decriminalization of minor possession and a medical cannabis program in his state budget proposal. The Republican-controlled legislature stripped both provisions before passing the budget. Neither proposal was enacted or vetoed as standalone legislation. The Wisconsin Legislative Reference Bureau has summaries of these budget provisions on record.

Governor Evers has been direct about his position. Citing his own experience as a cancer survivor, he stated that people "shouldn't be treated like criminals for accessing medicine that can change or maybe even save their lives" (NORML Wisconsin summary). He has also pointed to polling: "When more than 80 percent of our state supports medical marijuana and elected officials can ignore those numbers without consequence, folks, something's wrong" (NORML Wisconsin summary).

Public Opinion

According to NORML's Wisconsin summary, polling has shown over 80% support for medical cannabis among Wisconsin residents. Support for broader legalization, while lower, has trended upward.

Political Landscape

The core obstacle has been the partisan divide in the Wisconsin legislature. The Republican caucus in both chambers has consistently blocked cannabis reform bills from advancing. Governor Evers, a Democrat, has repeatedly signaled support for at minimum a medical program. Without a change in legislative control or a ballot initiative mechanism that bypasses the legislature, the path forward is narrow.

Wisconsin does not have a citizen-initiated ballot initiative process for statutes. Voters cannot put a cannabis legalization measure directly on the ballot the way residents of Michigan or Missouri did. Any reform must pass through the legislature, which gives the majority caucus effective veto power over the issue regardless of public opinion.

What to Watch

Legislative sessions continue to see cannabis-related bills introduced by Democratic members, but consult the Wisconsin Legislature's bill tracking system (legis.wisconsin.gov) for current bill status, as the legislative landscape shifts each session. A change in legislative majority in either chamber would be the most significant factor in moving reform forward.

Next Steps and Resources for Wisconsin Residents

If You Are Facing Charges

Do not try to handle a cannabis charge in Wisconsin without legal counsel. Even a first-offense misdemeanor creates a criminal record that affects employment, housing, and professional licensing. A qualified criminal defense attorney can evaluate whether the stop, search, or seizure that led to the charge was lawful, and whether diversion programs or deferred prosecution agreements are available in your county.

The Wisconsin State Bar Association's Lawyer Referral Service can connect you with a licensed attorney: visit wisbar.org or call (800) 362-9082.

Know Your Rights

If stopped by law enforcement, you have the right to remain silent and the right to refuse consent to a search. Invoking these rights is not an admission of guilt. Ask clearly whether you are free to go. If you are not, state that you do not consent to a search and that you want an attorney.

Hemp and CBD Business Inquiries

If you are a grower, processor, or retailer dealing with hemp-derived products, contact DATCP directly for licensing and compliance questions:

Wisconsin Department of Agriculture, Trade and Consumer Protection (DATCP) Phone: (608) 224-5012 Website: datcp.wi.gov

Advocacy and Reform

If you want to support cannabis law reform in Wisconsin, NORML's Wisconsin chapter (wi.norml.org) tracks legislation, organizes advocacy efforts, and provides updates on the legislative calendar. The Drug Policy Alliance also maintains national resources applicable to Wisconsin residents.

Stay Current

Wisconsin cannabis law has not changed significantly in recent years, but the federal rescheduling process and each new legislative session create potential for movement. Check legis.wisconsin.gov for bill status and the Wisconsin Legislature's session calendar for upcoming floor periods where cannabis bills might be scheduled for hearings.