Welcome to the Trichome Institute's Trichome Assurance Grading™ Program!

The TAG™ (Trichome Assurance Grading™) System is the premier qualitative assessment of any cannabis flower. Through a proprietary mathematical algorithm applied directly to our exclusive Interpening® principles, the Trichome Institute has developed the most accurate, reliable, and objective cannabis flower quality assessment system of its kind. The TAG™ system relies on a double blind scoring system to ensure accuracy of results. Please scroll down to check out a short overview of the TAG™ system  or click the button, below.