The Willow City Loop is always a good go-to, also just simply driving around in the country between and outside of Burnet/Marble Falls. The Willow City Loop is nice, because beautiful and historic Fredericksburg is close by. If you're into hiking, Enchanted Rock park is close by as well.
http://txhillcountrytrail.com/...
Here's a wonderful site that showcases wildflower viewing in the different regions of the state.
https://news.wildflower.org/ho...