Guide
Why is THCA cheaper than dispensary weed?
Straight answer
Same plant, different lane. Hemp-lane flower skips cannabis excise tax, the 280E federal tax rule and dispensary licensing. Here is each cost, with the numbers.
THCA flower is cheaper than dispensary weed mainly because it is sold in the hemp lane, which skips three big costs that dispensaries pay: state cannabis excise tax, the federal 280E tax rule and the cost of a state cannabis license. The plant is not cheaper to grow. The paperwork, taxes and fees around it are.
Last checked Oct. 3, 2026. Tax rates are from the Tax Foundation’s January 2026 table and state tax agencies. This is general information, not tax or legal advice.
The gap, line by line
| Cost | Licensed dispensary lane | Hemp lane (THCA flower, until Dec. 11, 2026) |
|---|---|---|
| State cannabis excise tax | 6% to 37% of the retail price in most adult-use states, some with a second tax at wholesale | No cannabis excise. Usually ordinary sales tax only, though a few states have added hemp-specific taxes |
| General sales tax | Usually yes, on top of the excise | Usually yes |
| Federal income tax | IRC 280E: no deductions for rent, payroll or marketing on adult-use sales | Normal deductions, like any retailer |
| License | State cannabis license, often capped in number and needing local approval | State or USDA hemp producer license. Retail rules vary by state |
| Testing | Required by the state for each batch at a state-licensed lab | One federal pre-harvest test for total THC. Retail testing depends on the state and the seller |
| Market | Product must be grown and sold in the same state | Hemp can be shipped across state lines |
Every line in the left column adds to the shelf price.
State cannabis excise tax rates, January 2026
These are the special cannabis taxes, charged on top of whatever general sales tax a state also collects. Source: Tax Foundation, 2026 recreational marijuana tax rates, plus the Michigan wholesale tax, which that table leaves out. A few states, such as Alaska and New Jersey, tax by weight instead of price, so they are not listed here.
| State | Cannabis excise tax |
|---|---|
| Washington | 37% of the retail price |
| Montana | 20% of the retail price |
| Oregon | 17% of the retail price |
| Arizona | 16% of the retail price |
| California | 15% of retail gross receipts |
| Colorado | 15% at retail, plus 15% at wholesale on a state-set rate of $658 per pound of bud |
| Delaware | 15% of the retail price |
| New York | 13% at retail, plus a wholesale tax |
| Illinois | 10% at retail on flower (25% over 35% THC), plus 7% at wholesale |
| Nevada | 10% at retail, plus 15% at wholesale on a state-set value of $1,296 per pound of flower |
| Massachusetts | 10.75% of the retail price |
| Michigan | 10% of the retail price, plus a 24% wholesale tax since Jan. 1, 2026 that is being challenged in court (Michigan Treasury) |
| Missouri | 6% of the retail price |
What that does to a $100 sale
California is a clean example because the state tax agency spells out the order. The CDTFA charges the 15% excise tax (back to 15% since Oct. 1, 2025, after a 19% stretch from July 1 to Sept. 30, 2025), then charges sales tax on the price including the excise.
| Step | Amount |
|---|---|
| Shelf price | $100.00 |
| 15% cannabis excise tax | $15.00 |
| Sales tax at the 7.25% statewide base rate, on $115 | $8.34 |
| Total at the register | $123.34 |
Local sales taxes and city cannabis business taxes can push that higher.
280E: the federal tax rule dispensaries cannot escape yet
Section 280E of the Internal Revenue Code says no deduction or credit is allowed for a business that consists of “trafficking in controlled substances (within the meaning of schedule I and II)” (26 U.S.C. 280E). The IRS applies it to marijuana businesses (IRS, cannabis industry).
An illustration, not a real store:
| Normal retailer | Under 280E | |
|---|---|---|
| Gross profit after buying product | $500,000 | $500,000 |
| Rent, payroll, security, marketing | $400,000 | $400,000 |
| Taxable income | $100,000 | $500,000 |
| Federal tax at the 21% corporate rate (26 U.S.C. 11) | $21,000 | $105,000 |
Same store, same $100,000 of real profit, five times the federal tax. Prices carry it.
Status as of Oct. 3, 2026: a rule effective April 28, 2026 moved FDA-approved marijuana products and marijuana covered by state medical licenses to Schedule III (Federal Register 2026-08176). Adult-use marijuana was not part of it. A separate DEA proceeding on moving all marijuana to Schedule III, with a hearing set to begin June 29, 2026 (Federal Register 2026-08177), had produced no final rule by Oct. 2, 2026. Until it does, 280E still reaches adult-use sales.
A hemp seller is not trafficking a controlled substance, because hemp is excluded from the definition of marijuana. It deducts its costs like a shoe store.
Licensing and compliance
The licensed lane is built for tight control, and control costs money:
- Limited licenses. Many states cap how many licenses they issue, and cities can opt out. Fewer sellers means less price competition.
- Seed-to-sale tracking. Every plant and package is logged in a state system.
- Batch testing at a state-licensed lab before anything reaches a shelf.
- One state, one market. A dispensary can only sell flower grown inside its own state, so a state with high costs cannot import cheaper flower.
The hemp lane has lighter rules. The federal rule requires a sample taken within 30 days before harvest, tested for total THC (7 CFR 990.3). After that, how much the flower is tested depends on the state and the seller.
The catch
Lighter rules cut both ways. In the hemp lane, the COA is the only quality check you can see, so read it: lot code, test date, THCA and delta-9 by dry weight, and a full contaminant panel. Our guide to cheap THCA flower has the checklist, and THCA flower prices has the current price bands per gram.
State law matters too. As of Oct. 3, 2026, many states already close the hemp lane to THCA flower. It is not legal in all 50 states.
The gap closes on Dec. 11, 2026
As of Oct. 3, 2026, the federal definition of hemp still counts only delta-9 THC (7 U.S.C. 1639o). The pre-harvest field test counts THCA, but federal law does not retest the finished flower. Congress rewrote the definition to count total THC, THCA included (CRS IF13136), and H.R. 6500, signed Sept. 2, 2026, moved the start date for naturally occurring cannabinoids, THCA included, to Dec. 11, 2026. After that, high-THCA flower is marijuana under federal law and every cost in the left column applies to it. What that means for deals is in THCA deals before and after December 11.
Sources
- Tax Foundation, 2026 recreational marijuana tax rates by state (January 2026)
- Michigan Treasury, wholesale marijuana tax
- CDTFA, cannabis tax guide for retailers
- 26 U.S.C. 280E and 26 U.S.C. 11, Cornell LII
- IRS, cannabis industry
- Federal Register 2026-08176 and 2026-08177
- 7 CFR 990.3, eCFR
- 7 U.S.C. 1639o, CRS IF13136, H.R. 6500, enrolled text
Questions
- Why is THCA flower cheaper than dispensary weed?
- Mostly because of taxes and compliance costs, not the plant. As of Oct. 3, 2026, flower sold as hemp pays no state cannabis excise tax, which ran from 6% to 37% of the retail price in adult-use states that tax by percentage in January 2026, and the seller is not caught by the federal 280E rule that blocks adult-use cannabis businesses from deducting ordinary expenses.
- How much of a dispensary price is tax?
- It depends on the state. In California, a $100 cannabis sale carries the 15% excise tax, then sales tax on the total. At the 7.25% statewide base rate that comes to $123.34 before any local cannabis tax. Washington's excise tax alone is 37% of the retail price.
- Does rescheduling end 280E for dispensaries?
- Not for adult-use sales, as of Oct. 3, 2026. A rule effective April 28, 2026 moved FDA-approved marijuana products and marijuana covered by state medical licenses to Schedule III. Adult-use marijuana is still in Schedule I while a separate DEA rescheduling proceeding continues, so 280E still applies to it.
- Will THCA flower stay cheaper after December 11, 2026?
- Not as hemp. On Dec. 11, 2026 the federal hemp definition starts counting THCA toward the 0.3% total-THC limit, so high-THCA flower stops qualifying as hemp. After that, flower above the limit is sold legally only in the licensed lane, where the taxes and costs described here apply.