London Jelly is a THC dominant variety that can reach up to 21% THC, making this strain an ideal choice for experienced cannabis consumers. Leafly customers tell us London Jelly effects include euphoria, creativity, and relaxation. Medical marijuana patients often choose London Jelly when dealing with symptoms associated with stress, anxiety, and depression. Bred by Tiki Madman, London Jelly features flavors like vanilla, berry, and nutty. The dominant terpene of this strain is caryophyllene, which has anti-inflammatory and pain-relieving properties.