CANNABIS PRODUCT NEWS gpn GREENHOUSE PRODUCT NEWS JOIN US! Sept. 22-24, 2020 2 pm EDT daily GPN will host its first Cannabis & Hemp Week in September, featuring three FREE 1-hour webcasts with industry experts addressing the latest issues facing growers today. The webcast series is interactive and designed to provide growers with the latest insight, production tips and guidelines to grow successfully. SPONSORED BY HEMPN NEWS PRODUCTIO