THCA legality varies significantly by state. Below is the current status for all 50 US states with links to detailed guides.
As of August 2026: 21 open, 24 restricted or pending, 5 banned.
Federal change ahead: Regardless of state law, P.L. 119-37 (Section 781) imposes a 0.4mg total THC per container limit on hemp products nationwide effective November 12, 2026.