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Kansas follows strict federal hemp laws and state-specific restrictions when it comes to CBD. Many people search for “Is CBD legal in Kansas?” or “Is CBD oil legal in Kansas?” because the state enforces a strict zero-THC policy.
In this guide, we’ll break down Kansas CBD laws for 2025, answer whether full-spectrum CBD is legal, explain age limits, and show you where to buy legal CBD products across the state.
Table of Contents
Legal Concerns About CBD
What are the CBD laws in Kansas?
Is full spectrum CBD legal in Kansas?
Does Kansas have a CBD possession limit?
Can doctors prescribe CBD in Kansas?
Where to buy CBD in Kansas?
Can you buy CBD at 18 in Kansas?
Is CBD legal in all 50 states?
Resources
Disclaimer: We’re always working to stay informed on the latest CBD laws and research. However, state laws are subject to change and we advise that you do your own research to verify the information you find in this article. This is not intended as legal advice.
CBD became federally legal in 2018 under the Hemp Farming Act, which removed industrial hemp and its derivatives from the Controlled Substances Act. However, legal CBD must come from hemp containing less than 0.3% THC.
Even after starting with legal hemp, manufacturers must ensure the final product also contains under 0.3% THC, as extraction can concentrate cannabinoids and increase THC levels. Since the CBD industry lacks strict regulations, it's important to verify third-party lab tests to confirm a product's legality.
Federal guidelines apply, but you must also follow your state's specific CBD regulations.
Kansas has taken steps to legalize CBD through the Alternative Crop Research Act and SB 282, but CBD products must contain zero THC to be legal in the state.
Here are the details:
As a result of the 2014 Farm Bill, Kansas drafted the Alternative Crop Research Act, a bill that enabled public universities to partner with local farmers to grow and research hemp material with no more than 0.3% THC. The bill, formally known as SB 263, wasn’t officially signed into law until 2018, causing the state to get a late start on hemp agriculture.
A month later, Governor Jeff Coyler also passed SB 282, a bill that revised the state's legal definition of “marijuana” to exclude CBD. This bill legalized CBD products across the state according to a Supplemental Note published alongside the new legislation.
Kansas legislation comes with one primary caveat: the legal definition of “marijuana” still includes products with any amount of THC. Only CBD products that contain no THC are legally accessible in the state of Kansas. This same law has been adopted by Idaho, making these two states the most CBD-restricted states in the nation.
In 2019, Governor Laura Kelly passed a series of bills aimed at furthering the state’s hemp-program and protecting CBD consumers. HB 2167 officially laid the framework for the creation of the Kansas Industrial Hemp Program. SB 28, passed in May of the same year, protects parents who use state-approved CBD products from child removal.
Still, in order for CBD products to be legal in the state of Kansas, they must be made according to the states’ own hemp program and must be free of even trace amounts of THC.
Unlike CBD-friendly states like Colorado and Illinois, Kansas has certain restrictions that prohibit access to full spectrum CBD products within the state.
Unfortunately, any product containing even trace amounts of THC are considered illegal in Kansas, but these products are widely considered to be more effective. CBD isolate is available in the state.
To date, there are no possession limits for CBD products that meet legal guidelines. CBD products that contain any amount of THC may be considered “marijuana products” and are illegal in the state.
In Kansas, you do not need a prescription to access CBD products. In fact, doctors typically cannot “prescribe” CBD products that are sold over the counter, rather they may “recommend” them. You do need a prescription to access CBD-based pharmaceuticals.
Only one CBD product has been approved by the FDA to date. This product, GW Pharmaceuticals’ Epidiolex, is designed to treat rare forms of childhood epilepsy. Aside from this product (which comes with stringent usage guidelines), many doctors are still learning about the benefits of CBD. If you’re interested in the benefits of CBD, you may need to spark a conversation with your doctor.
Recent updates to Kansas law have increased access to CBD across the state, as long as products meet strict legal requirements. That means you can now buy CBD oil in Kansas at supermarkets, gas stations, and convenience stores — and many of these places sell everything from tinctures to gummies. However, Kansas’ focus is mostly on limiting THC content, with very little regulation over product quality.
This lack of oversight can put consumers at risk.
Buying CBD online is a suitable option for most consumers. When you buy CBD online directly from the brand, you get better oversight of the brand’s manufacturing practices. Looking at the brand’s hemp source and lab testing procedures can help ensure that the CBD products you choose are clean, potent, and meet legal guidelines.
Buying CBD directly from a brand instead of from a third-party market may also be less costly since you won’t have to pay the extra fees that are often tacked on by the middleman. Of course, premium CBD can be expensive to manufacture, so you should also be wary of products that offer low-ball prices.
Finally, buying CBD online may be the best way to access many different types of CBD. The most common type of CBD product is an oil tincture, but you can find a variety of CBD edibles, topicals, and other specialty products when you shop online.
For more information on how to find high-quality CBD products, check out our CBD Buyer’s Guide.
In Kansas, there’s no specific statewide law that sets a legal age for buying CBD. Technically, CBD derived from hemp is legal under state and federal law and can be purchased at any age — especially for medicinal purposes like treating childhood illnesses.
That said, many local retailers set their own policies. Smoke shops, vape shops, and dispensaries often require customers to be 21 or older, mostly because they follow tobacco regulations. On the other hand, many online CBD brands will sell to customers aged 18+ and ship their products directly to Kansas, including oils, edibles, and topicals.
Yes, CBD edibles — like gummies or capsules — are legal in Kansas as long as they contain 0% THC or comply with Kansas’s strict THC limits. Parents and legal guardians can also administer legal, state-approved CBD to minors under Kansas law without fear of child removal.
In short, while you can buy CBD at 18 in Kansas when ordering online, always check local store policies before you shop in person. And if you’re looking for edibles or other ingestible CBD products, make sure they meet Kansas’s strict legal requirements.
No. Delta-9 THC is illegal in Kansas except for trace amounts in hemp-derived products that comply with federal law. Any product containing more than 0% THC is considered illegal.
THCA is not explicitly listed as legal under Kansas law. Since THCA converts into THC when heated, most THCA products could be treated like THC and face the same strict restrictions.
Yes, CBD gummies are legal in Kansas as long as they contain 0% THC. Always check labels or lab tests to confirm that any gummies you buy meet Kansas’s strict zero-THC requirements.
You can buy CBD oil in Kansas at health food stores, specialty shops, and some gas stations, but selection and quality can vary. Many consumers choose to buy CBD oil online directly from trusted brands to ensure better product quality, transparent lab tests, and often lower prices.
Yes. CBD is legal in Kansas as long as it contains 0% THC. Full-spectrum and broad-spectrum products with any detectable THC remain illegal under Kansas state law.
While most U.S. states allow some form of hemp-derived CBD, states like Idaho and South Dakota have much stricter policies — especially for products containing any level of THC.
Yes. Delta-9 THC is generally considered much more potent and psychoactive than Delta-8 THC, which is why Delta-9 is tightly regulated.
No. Delta-10 THC is illegal in Kansas under the state’s restrictions on psychoactive THC variants, even if it’s hemp-derived.
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