David's Garden Seeds Onion Texas 1015Y SL17013 (Yellow) 500 Heirloom Seeds Harvest in about 110 days Seeds are Non-GMO and hand packed by David's Garden Seeds in the United States The Texas 1015 onion was developed by the legendary Dr. Leonard Pike of Texas A&amp;M University, it&apos;s name derives from the planting date in Texas (October 15) Texas 1015 onions can weigh up to a pound or more Germination rate about 80%