On this page you will find the most current Idaho hemp law along with a history of how Idaho hemp bills have progressed through the State capitol over the years. We also provide links to important information concerning Idaho hemp programs and state agency advisories or opinion letters. Our goal is to keep the public, media and policy makers informed on each states status concerning hemp law and policy. Is Hemp CBD Legal in Idaho? The Idaho Attorney General considers hemp extracts with cannabidiol (CBD) to be a controlled substance unless it is derived from excluded parts of the hemp plant AND contains no tetrahydrocannabinol (THC). To read the Attorney General’s opinion on CBD, click here.