What is the lowest temperature that effects CBD production? Dec 19, 2019 17:18:54 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Admin on Dec 19, 2019 17:18:54 GMT The growing degree reference temperature for hemp is right around 32 degrees F, so it will continue to grow and develop as long as it’s warm enough not to die... more at www.chimneyrockhemp.com/tips-to-grow-hemp-profitably