The height of the Texas Bluebonnet is 1-2 feet. The Texas Bluebonnet blooming period is March- May The seeding rate of the Texas Bluebonnet is 35 lbs per acre.Seedling will become either stunder or turn yellow and soon it will die.The temperature for germination of the Texas Bluebonnet is 55 f-70 f .Bluebonnets cannot tolerate poorly drained clay based soils.