More than half of hemp crops cultivated in Hawaii in the past year were unusable due to high THC levels, officials said.

The crops cultivated for the state's hemp industry tested above the federal limit for the chemical that causes people to become high, The Honolulu Star-Advertiser reported Monday.

Eighteen crops were destroyed because of heightened tetrahydrocannabinol, or THC.

The state Department of Agriculture granted waivers to four crops that tested slightly above the limit, allowing the plants to be used as hemp.

Click here to read the complete article

Associated Press via HawaiiPublicRadio.org