Is THCA Legal in Texas? 2026 Status

Last reviewed: May 21, 2026

Yes, with a court-imposed asterisk. THCA flower and other THCA hemp products remain legal to sell at retail in Texas under a Travis County temporary injunction issued May 1, 2026 in Texas Hemp Business Council v. DSHS (261st Dist. Ct., Judge Daniella DeSeta Lyttle), which blocks the state's new "total THC" testing rewrite of 25 TAC §300.101 through at least July 27, 2026.

Texas Cannabis & Hemp Overview

Texas runs two parallel cannabis frameworks. Adult-use marijuana is illegal under the Texas Controlled Substances Act. Medical cannabis is limited to the Compassionate Use Program, which Governor Abbott expanded under HB 46 (89R, 2025), signed June 21, 2025 and effective September 1, 2025. Hemp lives in a separate track: Tex. Ag. Code §121.001 (added by HB 1325, 86R, 2019) defines hemp as Cannabis sativa L. with delta-9 THC at or below 0.3 percent by dry weight, and Tex. H&S Code Ch. 443 governs the consumable hemp product market under DSHS.

What Texas Law Actually Says About THCA

Texas statute does not name THCA. THCA-rich flower passes the state hemp test today because §121.001 measures delta-9 THC at or below 0.3 percent by dry weight, and raw (undecarboxylated) THCA does not register as delta-9. DSHS tried to close that gap. Under Executive Order GA-56 (Sept 10, 2025), the agency proposed a rewrite of 25 TAC §300.101 imposing a post-decarboxylation "total delta-9 THC" formula that would have eliminated most THCA flower from compliance.

That rewrite is paused. On April 21, 2026, Judge Maya Guerra Gamble granted a TRO. On May 1, 2026, Judge Daniella DeSeta Lyttle converted it to a temporary injunction running industry-wide through at least July 27, 2026. Plaintiffs argue DSHS exceeded its statutory authority by changing the hemp definition through rulemaking rather than legislation. Trial is set for late July 2026.

How Enforcement Has Played Out

The Legislature tried direct prohibition first. SB 3 (89R, 2025) would have banned all consumable hemp products containing any cannabinoid other than CBD or CBG. Governor Abbott vetoed it on June 22, 2025, citing federal preemption risk and the Arkansas litigation (Bio Gen LLC v. Sanders, 8th Cir. No. 23-3237). Two 2025 special sessions failed to produce a replacement statute, which is why GA-56 followed and DSHS turned to rulemaking. Separately, the Texas Supreme Court ruled May 1, 2026 in DSHS v. Sky Marketing Corp. (No. 23-0887), but that ruling concerned delta-8 classification authority, not THCA testing, and the THCA injunction remains undisturbed.

What This Means for Retailers Selling THCA in Texas

• Maintain an active Retail Hemp Registration with DSHS and a current TDA license on the cultivation side.
• Hold COAs for every batch acquired after March 31, 2026. The May 1 injunction is temporary; if it lifts on the merits, the total-THC formula reactivates and existing inventory may need revalidation.
• Do not stock any cannabinoid vape or e-cigarette product. SB 2024 (89R, 2025), codified at Tex. H&S Code §161.0876 effective September 1, 2025, makes those sales a Class A misdemeanor. That ban is independent of the THCA litigation.
• Comply with the September 2025 21-and-up age gate and government-ID verification requirement DSHS issued under GA-56 emergency rules.
• Prepare for federal H.R. 5371 §781, signed November 12, 2025 and effective November 12, 2026, which replaces the delta-9-only standard with a post-decarboxylation total-THC test and caps finished hemp products at 0.4 mg total THC per container. Most THCA SKUs sold today will not meet that cap.
• Watch the THBC v. DSHS docket. The next merits hearing is the late-July 2026 trial.

What This Means for Consumers Buying THCA in Texas

You can still buy THCA flower at registered Texas hemp retailers today, with a valid ID showing 21 or older. THCA converts to delta-9 THC when heated, so smoked or baked THCA produces the same metabolites a standard urine, saliva, or hair drug screen looks for. Carrying THCA flower into a stricter neighboring state is a federal-shipment question, not a Texas one.

Pending Federal Change

The biggest near-term shift for THCA is federal. H.R. 5371 §781, signed November 12, 2025, replaces the 2018 Farm Bill's delta-9-only definition with a post-decarboxylation total-THC standard that counts THCA in finished-product testing and caps containers at 0.4 mg total THC. Because THCA-rich flower decarboxylates well above that cap, most current product loses federal hemp protection on November 12, 2026. For background see our potential revisions to the 2018 Farm Bill explainer.

Frequently Asked Questions

Is THCA flower legal in Texas in 2026?
Yes, at registered hemp retailers, while the May 1, 2026 Travis County temporary injunction holds. The injunction blocks DSHS from enforcing its total-THC testing rewrite at least through July 27, 2026.

Did the Texas Supreme Court's delta-8 ruling end THCA sales?
No. DSHS v. Sky Marketing Corp. addressed DSHS authority to classify delta-8 THC under the controlled-substances schedule and applied only to that classification. It did not touch the THCA testing injunction.

Does THCA show up on a drug test?
Yes. Once heated, THCA converts to delta-9 THC and produces standard THC metabolites on urine, saliva, and hair panels.

Can I order THCA flower online to Texas?
Yes today, from sellers shipping federally compliant hemp by common carrier. That changes November 12, 2026 when H.R. 5371 §781 takes effect.

How does THCA compare to delta-9 in Texas?
Both are governed by the same Ag. Code §121.001 hemp definition today, but delta-9 hemp products are dosed by mg per container while THCA flower is dosed by weight. See our Texas Delta-9 page.

What changes November 12, 2026?
H.R. 5371 §781's total-THC test plus 0.4 mg per-container cap pulls most THCA flower outside the federal hemp definition, regardless of how the state injunction resolves.

This page is provided for informational purposes by ComplyAssistAI LLC and is not legal advice. Hemp and cannabis law in Texas changes frequently. For business compliance questions, consult a Texas-licensed cannabis attorney. Find one in our Cannabis Lawyer Directory.