History of Tropical Cannabis & THCV in Hawaii So the story goes, herb today is far stronger (better) than the weed of the 60’s and 70’s. It may be true that the common market ha s generally more potent and fresher ganja but that can be explained by the loss of Mexican cannabis entering the United States because of changing laws. Back in the day, the herb crossing the border was almost at least a year old and seeded. A lot has changed since then but the one hit quit shit was a