London Marker is a hybrid weed strain made from a genetic cross between London Pound Cake and Permanent Marker. This strain is 50% sativa and 50% indica. London Marker is 20% THC, making this strain an ideal choice for experienced cannabis consumers. Bred by Seed Junky Genetics, the average price of London Marker typically ranges from $10-$15 per gram. We are still learning about London Marker’s effects, flavors, and medical uses. If you've smoked, dabbed, or consumed London Marker, please tell us about your experience by leaving a strain review.