What is the letter Y or YL or YB next to seeding time means?

The letters Y, YL, or YB next to seeding time typically indicate the type of seed or the variety being planted. "Y" often stands for "yellow," indicating a specific color or type of seed. "YL" may refer to "yellow large," while "YB" could denote "yellow bush." These designations help gardeners and farmers identify seed traits and ensure proper planting.