This sweet, white short-day onion has been proudly grown in the Lone Star State since 1944. The Grano onion was originally introduced to the U.S. in 1925 from Valencia, Spain. Texas Early Grano onion is the perfect sweet onion for warmer southern and western climates. This variety is a classic heirloom onion that has been going strong for generations. “Texas Early Grano” onions produce a mild and pleasing taste, and vegetables that grow as large as a pound a piece.