Four industrial hemp seed varieties have passed the statewide THC validation and observation trial this year.

The Colorado Department of Agriculture (CDA) announced the 2017 varieties that are now eligible to be grown by the Colorado Seed Growers Association for production of "CDA Approved Certified Seed."

This year, the CDA Approved Certified Hemp seed program trialed four varieties of hemp across Colorado's diverse growing conditions to validate if they would prove to grow mature plants that fall within industrial hemp requirements set by Amendment 64 in the Colorado constitution.

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