Yes, you can legally ship THCa in the U.S. if the product contains less than 0.3% delta-9 THC and is compliant with federal hemp law. However, state laws vary. USPS allows hemp shipments with documentation, while FedEx, UPS, and DHL impose stricter restrictions.
Shipping Rules for THCa Can Be a Little Confusing
THCa sits in a strange legal pocket. It’s federally fine under the 2018 Farm Bill as long as delta-9 THC stays under 0.3 percent, but state laws are a different story.
Some states allow it. Others act like the Farm Bill doesn’t apply. That means your flower can be legal under federal law and still get seized on the way to your doorstep.
Shipping adds another layer of confusion.
USPS allows compliant hemp products if you include the right documentation.
FedEx, UPS, and DHL have chosen a stricter route. They reject most hemp-derived cannabinoids outright, regardless of lab results or compliance.
Stay Supernatural ships full-panel-tested THCa flower to most U.S. states with a 100 percent order guarantee. Every order goes out same-day, packed in tamper-evident, smell-proof bags, and includes third-party COAs that cover more than just THC.
In this article, you’ll learn which states are greenlit for THCa shipping, which carriers you can actually trust, how to reduce your risk when ordering or mailing, and why packaging and paperwork matter more than most people realize.
So...Can You Ship THCa in the U.S.?
Shipping THCa isn't illegal in the United States, but it's definitely not simple. The federal government has one definition, the DEA has another, and individual states often write their own rules on top.
The Short Answer: Yes, with Conditions
Under the 2018 Farm Bill, hemp products with less than 0.3 percent delta-9 THC by dry weight are federally legal. That includes THCa flower, which is non-psychoactive until heated and fits the bill in its raw form.
So yes, you can ship THCa, if it stays under the legal limit and doesn't cross into a state where it's banned. That’s where most people get tripped up. The federal law gives you a green light, but the moment your package enters a restrictive state, you're no longer in the clear.
Why It’s Legal (and Still Sketchy): Farm Bill vs. DEA vs. State Laws
The Farm Bill says hemp is legal. The DEA agrees, but only until THCa turns into THC through heat or aging. That chemical shift turns it into a controlled substance, at least on paper.
Meanwhile, states like Oregon and Arkansas have decided to block THCa entirely, regardless of its compliance at the federal level. Some states don't say much at all, which means enforcement can change depending on the county, the cop, or the mood of the postal hub.
Just because the plant tests clean doesn’t mean the shipping route is safe.
Why Brands Like SuperNatural Ship Every Day and Sleep Just Fine
Every batch of THCa flower we ship is full-panel tested twice, once by the grower and again by an independent lab we choose. We use odor-proof, tamper-evident packaging, include documentation with every order, and only ship to states that are greenlit.
We’ve had zero seizures, zero lost packages, and zero drama. That’s not luck. It’s process.
Which Carriers Are Chill (and Which Ones Might Snitch)?
Your flower might be legal, lab-tested, and ready to go, but the carrier you choose could still shut the whole thing down. Shipping THCa means playing by federal rules, but it also means navigating private shipping policies that don’t always follow federal logic.
Here’s how the big names handle hemp, and what you can do to avoid having your box vanish.
USPS: Yes, If You Follow the Rules
The United States Postal Service aligns with federal hemp law. That means THCa can be shipped through USPS as long as the product stays under 0.3 percent delta-9 THC and includes the required paperwork.
Each package should include a valid certificate of analysis, an invoice or sales record, and a printed statement confirming the product was sourced from federally legal hemp.
FedEx and UPS: Technically No, Even If It’s Legal
FedEx and UPS do not allow the shipment of hemp-derived cannabinoids intended for human consumption. That includes THCa, even when it is fully compliant with federal law.
Their internal policies are stricter than the law itself, and they have seized or rejected packages that meet every legal requirement. If your flower ends up in one of their facilities, the paperwork won’t protect it.
The product is likely to be returned or destroyed, and you may be flagged in their system.
DHL: Better to Avoid Completely
DHL does not offer a clear or consistent policy when it comes to THCa. Some shipments make it through. Others are flagged, even with compliant documentation.
Because they handle a mix of domestic and international logistics, packages can get pulled for inspection more often. The lack of clarity makes DHL too risky for anyone trying to ship cannabis legally.
Pro Tips for Safer Shipping
Always include a full-panel lab report that shows delta-9 THC content clearly. Label your product as hemp and avoid vague or misleading language. Use tamper-proof, odor-proof packaging that does not draw attention.
Stay current on carrier policies and assume that every package could be inspected.
Where You Can (and Can’t) Ship THCa in 2025
Shipping THCa flower in 2025 is less about what the Farm Bill says and more about which state you are sending to. While the federal law provides a foundation, it is state-level enforcement that determines whether your package gets delivered or intercepted.
Here is what the current shipping landscape looks like.
Most States Are Cool with It
In the majority of U.S. states, THCa flower that complies with federal hemp regulations can be shipped without issue. That means the product contains less than 0.3 percent delta-9 THC, includes proper documentation, and passes a full panel lab test.
States like Texas, Florida, Georgia, Ohio, North Carolina, and Pennsylvania not only allow shipping but are among the most common destinations for legal THCa.
States That Will Snatch Your Package
Some states have taken a hard stance against THCa. Whether it is because of perceived psychoactivity or political pressure, these states have laws on the books that block THCa shipments outright.
If you try to ship there, even with compliant documentation, the risk of seizure is extremely high.
These states currently ban THCa shipments:
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Arkansas
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Idaho
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Minnesota
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Oregon
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Rhode Island
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Vermont
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Tennessee (ban takes effect in 2026)
Retailers who ignore these bans can face penalties, and customers risk losing their packages. At SuperNatural, we monitor these laws weekly. If a ban passes, we stop shipping there the same day. That protects us and our customers from unnecessary legal problems.
Gray Zones and Surprise Seizures
A few states technically allow THCa but have inconsistent enforcement. Kansas, Nebraska, and South Dakota are often cited as legal on paper but unpredictable in practice.
Customers in these areas have reported seizures even when packages included valid COAs and met all federal requirements. Enforcement can vary by county, by postal hub, or by individual officer. If you are shipping into one of these states, proceed with caution and expect delays or scrutiny. These gray zones are where most shipping confusion happens.
Why This Changes Constantly
THCa legality is not static. Legislators are still adjusting cannabis policy state by state, and THCa often gets caught in the middle.
What is legal today could be banned next month. In the last year alone, several states proposed or passed new hemp restrictions without warning.
Can You Order THCa Online If It’s Legal In Your State?
If your state allows it, ordering THCa online is not only legal but also the safest way to get your flower. Driving across state lines with any form of cannabis puts you at the mercy of local enforcement, even if both the origin and destination states are THCa-friendly.
Online ordering skips the checkpoints and puts the responsibility on the shipper to ensure legality and compliance.
Why Delivery Beats Driving
Even when two neighboring states both allow hemp-derived cannabinoids, transporting THCa yourself is a gamble. Roadside enforcement does not care about lab results.
If your flower smells strong or looks like high-grade cannabis, officers are likely to treat it as THC-rich weed. That puts you in the awkward position of having to explain federal hemp law on the side of the highway.
Ordering online avoids that mess entirely. Your product arrives in tamper-proof, smell-proof packaging with all documentation enclosed. At SuperNatural, every order includes a full-panel certificate of analysis and a compliance statement printed and packed in the box. That protects the product and protects you.
Our Customer Favorites
Our team tests hundreds of flower batches to find standout cultivars that meet our standards. These are the strains our customers reorder the most.
Black Velvet
Black Velvet is smooth and sedative, with dense trichomes and a terp profile that leans heavy into nighttime use. A solid option for deep body calm without mental fog.
Udder Madness
Hybrid lovers swear by Udder Madness. Expect a rich nose, potent effects, and a high that hits hard without feeling chaotic. Good for creativity and conversation.
Key Lime Jack
Key Lime Jack is bright, energetic, and a little tart. This sativa-dominant flower delivers clarity without jitteriness. Perfect for staying functional during the day.
All three are full-panel tested, packed fresh, and shipped same-day with tracking.
How to Read a COA Without a PhD
A certificate of analysis is not just a box to check. It is the only way to verify that your THCa flower is under the legal delta-9 threshold and free from contaminants. Look for the delta-9 THC percentage first. It should be below 0.3 percent.
Make sure the lab also screens for mold, pesticides, and heavy metals. If those sections are missing or incomplete, the COA is not enough. Brands like Stay Supernatural that have nothing to hide are always happy to show full results.
Can Regular People Mail THCa Products Themselves?
Mailing THCa flower on your own is technically legal under federal law, but the reality is more complicated. As long as the product contains less than 0.3 percent delta-9 THC and is derived from hemp, it qualifies as legal for shipment under the 2018 Farm Bill.
The issue is not legality on paper, but how that legality holds up when the package is in transit and someone decides to inspect it.
Why It’s Safer for Businesses Than Individuals
Licensed businesses are held to strict standards and are better positioned to defend the legality of a shipment. They use established labs, verified documentation, and packaging methods that meet postal requirements.
Consumers mailing THCa on their own are unlikely to meet those standards. If you cannot provide a certificate of analysis, a purchase receipt, and proof that the flower came from a licensed grower, your box is more likely to be flagged.
Even if your product is compliant, you could still end up on the wrong end of a seizure or warning letter.
What Happens if USPS Opens Your Box
Most USPS packages move through the system without incident. That said, parcels can be inspected if they appear suspicious. If your packaging leaks odor, if the labeling is unclear, or if the contents resemble illegal cannabis, postal workers have the right to open it.
If the product turns out to be THCa but lacks documentation or smells strong, the package could be confiscated. The risk increases in states with restrictive laws or inconsistent enforcement.
Can You Ship THCa to Canada or Mexico?
Shipping THCa across international borders is a nonstarter. Even though THCa is legal under U.S. federal hemp law, that protection stops at the edge of the country.
Canada and Mexico have their own rules, and neither recognizes THCa flower as legal hemp. What passes as a compliant product in the U.S. often looks like illegal cannabis to border agents.
Federal Law Allows Hemp but International Customs Don’t Care
The 2018 Farm Bill does not mean anything to Canadian or Mexican customs authorities. Those agencies are not obligated to honor U.S. definitions of hemp or thresholds for delta-9 THC.
They judge incoming packages based on their own laws. In both countries, cannabis remains tightly regulated, and anything that resembles a psychoactive product is likely to be rejected or seized.
This includes THCa flower, even if it is under the federal THC limit and fully documented.
What Happens If You Try
At best, the package will be stopped at customs and either returned to sender or destroyed. In some cases, the recipient may be contacted or investigated. In others, your name and address may be flagged in an international shipping database.
Repeat attempts can lead to fines or further enforcement. For individuals and businesses alike, the risk far outweighs the reward. We don’t even think about shipping internationally for this very reason. Our mission is to be a legal supplier, and we can only do that on this side of the border.
You Can Ship It, If You Don’t Screw It Up
Shipping THCa is legal under federal law, but legality is not the same as safety. Between inconsistent state rules, private carrier policies, and unpredictable enforcement, every shipment is a calculated risk.
The way to avoid problems is to know exactly where it is legal, document everything, and never cut corners on packaging or testing.
When you order your THCa flower from SuperNatural, we do all of that for you. We source clean, potent flower, verify it through full-panel labs, and ship it with documentation that stands up to inspection.
Every order is handled with care because we know that compliance is not optional. It is the foundation of trust.
