I live in Kerrville and have observed 15 different spring wildflower seasons here now. Bottom line is no two are alike, nor are they predictable. IF we have lots of rain this fall it will help to assure lots of wildflowers the following spring. A dry fall and winter mostly means ZIP wilflowers blooming, come spring. It's hard to plan ahead now to definitely see bluebonnets, Indian paintbrush, winecups, firewheels, etc. next April--they just may not be here. The best (and largest, meaning tallest) bluebonnets we've ever seen were in the Big Bend area, straight south from Alpine fairly near the Rio Grande River. If you're coming to the Fredericksburg area though, be sure and drive the Willow City Loop, off State Hwy. 16 just a few miles north of town. If anyplace has bluebonnets in any given year, it's Willow City Loop! Besides, the beautiful country drive itself is always worth it. Try to go during the week, if possible, as weekends during wildflower season can be pretty packed with cars. While you're out that direction, also check out Enchanted Rock State Natural Area--no other place just like it in the Lone Star State! Good luck on your Texas wildflower quest.