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Is THCA Legal in South Dakota? Your Guide to Cannabis Laws Explained

Is THCA Legal in South Dakota? Your Guide to Cannabis Laws Explained

Apr 10th 2025

Is THCA Legal in South Dakota? Understanding the Legal Landscape

As cannabis legislation continues to evolve across the country, many are asking an increasingly common question: Is THCA legal in South Dakota? While industrial hemp and certain hemp-derived products are permitted under the federal Farm Bill, the legal status of THCA remains unclear in South Dakota.

Because THCA is a compound found in the cannabis plant—including both hemp and marijuana plants—its legality depends on how state law interprets its potential effects and uses. In this blog, we’ll explore how South Dakota law, federal regulations, and recent developments affect the ability to possess, sell, or use THCA hemp products and other cannabis products within the state.

What Is THCA and How Is It Different From THC?

THCA, or tetrahydrocannabinolic acid, is a non psychoactive compound found in raw cannabis plants, including hemp flowers. In its natural state, THCA does not cause psychoactive effects. However, through a chemical reaction known as decarboxylation, THCA converts into Delta-9 THC, the psychoactive cannabinoid found in marijuana flowers.

Because of this conversion process, THCA is often caught in the middle of regulatory debate. It is unlike THC in its raw form, but can become THC with heat—placing it in a gray zone within state and federal laws.

Potential Benefits and Consumer Caution

Like many cannabis derivatives, THCA is being researched for its therapeutic benefits, including:

  • Anti-inflammatory effects

  • Neuroprotective potential

  • Appetite stimulation

However, the legal landscape surrounding cannabis in South Dakota requires that users tread carefully. Even if THCA products may offer potential benefits, they may not be viewed favorably under current law.

What Do the Farm Bill and Federal Laws Say About THCA?

The 2018 federal Farm Bill legalized industrial hemp, including all parts of the hemp plant, provided the final THC content is no more than 0.3% Delta-9 THC on a dry weight basis. This made hemp-derived products, such as certain hemp-derived THCA products, legal under federal law.

However, because THCA can convert into a psychoactive compound, its presence in cannabis derivatives has drawn the attention of the federal government and regulators. Despite not being explicitly mentioned in the Controlled Substances Act, THCA’s potential to become intoxicating continues to raise questions under federal regulations.

Is THCA a Controlled Substance Under South Dakota Law?

South Dakota has some of the most strict cannabis laws in the country. Although the state permits legalized hemp, it draws a hard line against products that could be perceived as intoxicating or in conflict with South Dakota’s strict recreational cannabis laws.

Under South Dakota hemp law, THCA is not explicitly classified as a controlled substance. However, if authorities believe the product is intended to be heated and thus create psychoactive effects, it could fall under cannabis regulations related to controlled substances.

Is THCA Legal in South Dakota for Consumers and Businesses?

So, is THCA legal in South Dakota? At the moment, THCA legality in the state exists in a gray area. While hemp derived products derived from the cannabis plant are legal in South Dakota under certain conditions, THCA is not clearly listed as legal or illegal in statute.

Because THCA can become Delta-9 THC through heating—a form commonly associated with recreational marijuana—its legality may hinge on the product’s intended use. Retailers selling THCA products should be extremely cautious, as South Dakota’s cannabis laws and hemp laws do not leave room for much interpretation.

How Do State and Federal Laws Treat THCA Differently?

At the federal level, THCA is legal if it’s derived from hemp plants and the final product does not exceed the legal limit of 0.3% Delta-9 THC. However, under South Dakota legislation, THCa products that contain compounds capable of converting to intoxicants may be treated as illegal.

The legal risks of selling or consuming THCA in South Dakota arise from the discrepancy between federal laws and the state’s interpretation of intoxicating hemp products. This has led to legal confusion for consumers and businesses alike, especially with the growing popularity of cannabis products that test the limits of the law.

What Role Does House Bill 1006 and the South Dakota Legislature Play?

Recently, House Bill 1006 was introduced to help define what qualifies as intoxicating hemp products under state regulations. While the house bill specifically targets synthetic cannabinoids like Delta-8 THC, it also reflects broader legislative concerns about compounds derived from the cannabis plant that can produce psychoactive effects.

Attorney General Marty Jackley has publicly supported stricter enforcement around hemp laws to prevent the misuse of legal hemp as a loophole for recreational cannabis. The legal status of THCA may be influenced by future amendments to House Bill 1006 or similar efforts, especially if lawmakers focus on its ability to bypass legal limits through heat-induced conversion.

As more attention is placed on cannabis derivatives, new house bills could further tighten THCA regulation under South Dakota’s evolving cannabis plant policy framework.

Delta-8 THC vs. Delta-9 THC: What’s the Difference?

Delta-8 THC and Delta-9 THC are both compounds found in the cannabis plant, but they differ in potency, regulation, and legal acceptance. Delta-9 THC is the primary psychoactive ingredient in the marijuana plant and is heavily regulated under both state and federal laws. Delta-8 THC, often synthesized from hemp, offers milder effects and has found its way into the cannabis industry through hemp-derived products.

However, many states—including South Dakota—have started tightening cannabis regulations around Delta-8 due to its psychoactive effects. As the legal landscape continues to evolve, understanding the distinctions between cannabinoids is essential for staying compliant under South Dakota law and the Farm Bill.

Can You Legally Buy THCA Products Online in South Dakota?

Currently, buying THCA products online and shipping them into South Dakota comes with risks. Although interstate commerce of federally legal hemp is allowed, state regulations still apply once the product crosses into South Dakota.

Retailers selling to South Dakota should clearly document THC levels, include Certificates of Analysis, and avoid marketing THCA products as having psychoactive properties. Consumers are urged to check whether the products they buy remain compliant with state law.

Where to Find Trusted Hemp-Derived THCA Products

Navigating cannabis laws in South Dakota can be challenging, but that doesn’t mean you have to sacrifice quality or safety when exploring hemp-derived products. At Dope, we’re committed to offering premium hemp flowers, edibles, vapes, and concentrates that meet both federal guidelines and the highest standards in the cannabis industry.

All of our products are made from legal hemp and tested for THC potency to ensure they contain less than 0.3% Delta 9 THC by dry weight. Unlike some questionable sellers offering products with unverified chemical modifications or synthetic cannabinoids like Delta 8 THC, Dope guarantees transparency through third-party lab results and full Certificates of Analysis.

We ship discreetly and quickly to South Dakota, providing customers with consistent, compliant access to THCA products that deliver real value—without the legal guesswork.

What About Medical Cannabis and THCA in South Dakota?

South Dakota has a limited medical cannabis program following the passage of Initiated Measure 26. Registered patients with a medical cannabis card can access cannabis flower and other THC products from licensed medical dispensaries.

However, THCA is not explicitly part of the state’s medicinal cannabis laws, which focus on Delta-9 THC for medicinal purposes. Until further guidance is issued, THCA legality in South Dakota remains uncertain for both medical and non-medical users.

Does THCA Show Up on a Drug Test?

Yes. Although THCA is non psychoactive, when it is heated and consumed, it becomes Delta-9 THC. This can result in a positive result on a drug test, just like any traditional THC products.

Those subject to workplace screening or legal oversight should exercise caution with any hemp-derived THCA products. A positive test could have legal or employment consequences, even if the product was purchased from a source that claims to be compliant with federal regulations.

Final Thoughts: THCA’s Legal Status in South Dakota

So, is THCA legal in South Dakota? Technically, it may be legal under federal law, but its use or sale could be prosecuted under South Dakota’s strict cannabis laws. With the state continuing to crack down on anything with psychoactive properties, THCA currently occupies a risky space within state laws.

Until cannabis laws become clearer or new South Dakota legislation explicitly includes or excludes THCA, both consumers and businesses should exercise caution. As always, consult with a legal professional before purchasing, possessing, or distributing THCA in South Dakotaproducts.

Legal Disclaimer: This content is for educational purposes only and does not constitute legal advice. Consult with a qualified attorney for legal guidance related to cannabis or hemp products in your state.