Here is a previous Mr. Smarty Plants question asking the same question. This is probably one of the most frequent questions that comes to the Lady Bird Johnson Wildflower Center, home of Mr. Smarty Plants. You may notice that the previous question is dated December 9, 2011, asking about the 2012 season. Here are some more:
The point being, in nature nothing changes and everything changes. We are still in the grips of drought, we will still have bluebonnets but we are already past the critical period of winter, when the rosettes first appear, and it was dry, dry, dry.
This USDA Plant Profile Map shows that while Lupinus texensis (Texas bluebonnet) does not grow natively in Brazoria County, a short distance north and west will bring you to fields full of them.