Bluebonnets have become rare on roadsides, so photo ops have shifted to other flowers. I understand how irresistible the sea of sunflowers can be, but it is paramount to have "hands off" respect & appreciation for the flower, the field and the farmer.
http://www.wfaa.com/news/local/collin/Trespassers-are-trampling-familys-sunflower-farm-212702861.html
To see some of the photos from the local contest on McKinney's Town Square Buzz, https://www.facebook.com/TownSquareBuzz?fref=ts