All Good Things Organic Seeds Festivity Sweet Corn Seeds (~30): Certified Organic, Non-GMO, Heirloom, Open Pollinated Seeds from the United States Packet: ~30 seeds (7 grams) Certified organic by Oregon Tilth: OT-017423. Non-GMO, Open Pollinated Variety 100 days from seed to eating cobs. Annual. Summer Grown; Start Seeds in Late Spring * Located in Ojai, California, United States. Plant Good Seed. Know the Source.