Experts and BHG readers answer.
Starting with a clean slate
Thanks for writing! We have a couple of slideshows here on BHG.com that should help you get off to a great start:
Top Wildflowers of the Mountain West: http://www.bhg.com/gardening/gardening-by-region/mountain-west-and-high-plains/top-native-plants-of-the-mountain-west/
No-Fail Perennials of the Mountain West: http://www.bhg.com/gardening/gardening-by-region/mountain-west-and-high-plains/types-of-mountain-west-perennials/
Deer-Resistant Plants for the Mountain West: http://www.bhg.com/gardening/gardening-by-region/mountain-west-and-high-plains/the-top-deer-resistant-plants-for-the-mountain-west--high-plains/
Senior Garden Editor, BHG.com