KS / State law overview

Kansas

Kansas prohibits marijuana possession under its controlled-substance statute. A narrow statutory CBD defense requires specific medical documentation.

Marijuana restrictions; limited CBD defense

Sources reviewed September 30, 2026. Coverage: General possession restrictions and selected CBD defense, not all legal questions.

General possession ruleKnowing marijuana or tetrahydrocannabinol possession is prohibited under § 21-5706Official source

Selected medical defenseAn affirmative defense applies to a defined cannabidiol treatment preparation used for a qualifying debilitating conditionOfficial source

DocumentationThe defense requires the specified Kansas physician letter in the person’s possession, dated within the preceding 15 monthsOfficial source

Details worth checking

An affirmative defense is not blanket legalization or a general medical dispensary program. Preparation definitions and all defense conditions must be checked in the law.
Hemp-product rules, other exceptions, and detailed penalty classifications are outside this summary.

Official sources

Kansas Legislature — 2025–2026 K.S.A. 21-5706

Regulators & contacts

Agency information checked September 30, 2026.

Kansas Department of Agriculture — Industrial Hemp Information

Provides hemp program guidance. USDA has administered hemp producer licensing in Kansas since January 1, 2025; hemp processors register with the State Fire Marshal. These programs do not authorize medical or adult-use marijuana.

Kansas Department of Agriculture — Industrial Hemp Information — official information and contact routes

Cardcierge

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

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.