"Jamaican High Grade is one of the best and most sort after weeds in Jamaica and is a pure old school smoke and is not ready available to tourists in Jamaica and is usually reserved for the local market for the music elite & hardcore Rasters who smoke only native natural strains. There are many reggae songs referring to High Grade Weed as the best. High Grade can be Sativa or Indica or both mixed, High Grade is referred to as a good quality native weed rather than a strain. High: long high, big head rushes a sociable relaxing buzz. Flowering indoor: 7 - 8 weeks Yield: 400 gr. m2 (USA) 1.4 Oz. Sq ft. Flowering outdoors: Northern October / Southern April Strain: High Grade Genetics: Jamaican Sativa or Indica or Both Crossed. THC: 16% + Do you find mistakes or wrong information? Or is there something you want to add? Strain Reviews Degustation Gallery Direct Comparisons Lineage / Genealogy Hybrids / Crossbreeds User comments Uploads"