My family has been building up a reserve of non GMO seeds for around 5 years now we have and grow enough of the essentials to be GMO free most of the time but yes some veggies are almost impossible to get viable non GMO.
JYD#176 "dein Gott schickte mich zu zerstören" "Sic semper evello mortem Tyrannis" "Sometimes the chance of a zombie outbreak is the only reason I need to make many of my life's Decisions." General Delivery
