David's Garden Seeds Onion Walla Walla Sweet D496 (Yellow) 200 Organic Seeds Harvest in about 300 days (late-summer sown and wintered over); 125 days spring sown Seeds are Non-GMO and hand packed by David's Garden Seeds in the United States Organically grown seeds Juicy, sweet, regional favorite developed in Walla Walla, WA Germination rate about 80% and better