Standard Silver Queen White sweet corn produces white ears. These ears measure 8-9 inches long and contain 16-18 kernels around by 16 kernels per row. This sweet corn variety reaches maturity in 88 Days. Approximately 3,000 seeds per pound.Standard Silver Queen White Sweet Corn is a local market favorite. This standard variety sets the standard for sweet corn.Requires a germination temperature of 89°F. Seeds germinate in about 5 to 7 days. Soil temperature must be at least 55°F in order to germinate.