Can I dry my cannabis in Grobo? Robyn October 11, 2018 19:42 Updated Follow Yes, Grobo has the ability to dry your harvest. You can purchase a drying rack in our online store here (Canadians can shop here). In the meantime, check out our video on how to harvest your cannabis! Related articles How do I harvest cannabis? Is it smell proof? What cannabis yields can I expect? How many harvests can I get out of a Grobo? Do I have to use Grobo brand nutrients? Comments 0 comments Please sign in to leave a comment.