the 1209 was 20% HEAVY. the 873 was grown off my 1147 shenoha that was 24% HEAVY and was pollinated with the 1119 mcmullen plant that also produced 24% HEAVY. the 1147 shenoha is the 1041 mckie x self and was 15.4% HEAVY. needless to say, this one has HEAVY genes crossed with a plant that produced the 414" ott 1493 shenoha 2010. monster Heavy x monster BIG. this one had 11" thick average walls and 14" in the lower stem side shoulders.