JACK HERER x CANADIAN RUDERALIS The Jack Herer strain is among the leading harvest festival cup winners. Jack Herer Auto is the automatic version of the most exquisite weed ever. It’s a cross between Jack Herer and Canadian Ruderalis. The flowering starts after 3 weeks. The harvest time is 9 weeks since planting the seed. This strain causes a Sativa high and the enormous Indica resin production of the original Jack Herer.