WY / State law overview

Wyoming

Wyoming’s controlled-substance law restricts marijuana possession. Its prescription exception does not create a general medical marijuana program.

Statewide marijuana restrictions

Sources reviewed September 30, 2026. Coverage: General marijuana possession and prescription restrictions, not all legal questions.

General possession ruleKnowing or intentional controlled-substance possession is prohibited unless an applicable statutory authorization or exception appliesOfficial source

Marijuana prescriptionsA marijuana or THC prescription is not valid under § 35-7-1031(c) unless it is for a drug with final FDA approvalOfficial source

Small amountsThe statute assigns penalties even to small quantities; a misdemeanor threshold is not a legal possession allowanceOfficial source

Details worth checking

This summary does not review hemp, all statutory exceptions, cultivation, quantity calculations, or the complete penalty scheme.
The linked official Title 35 compilation is lengthy; see § 35-7-1031(c), beginning on PDF page 334.

Official sources

Wyoming Legislature — current Title 35, § 35-7-1031(c)

Regulators & contacts

Agency information checked September 30, 2026.

Wyoming Department of Agriculture — Hemp Program

Administers industrial hemp licensing, sampling, and testing. This program does not authorize a medical or adult-use marijuana market.

307-777-3502 agrhemp@wyo.gov

2219 Carey Avenue, Cheyenne, WY 82001

Wyoming Department of Agriculture — Hemp Program — official information and contact routes

Cardcierge

Medical cannabis card information, registration, published fees, and evaluation providers for Wyoming.

View medical card information

General information, not legal advice. Laws, effective dates, and local policies change. Confirm the applicable rules with official sources before acting.