Threadleaf Phacelia – Native Plant of the Day 10/26/2017
Photo from 6/7/2010.  Location: Boise Foothills, Ada County, ID.
More photos & info at the Phacelia linearis detail page.

Threadleaf Phacelia – Phacelia linearis

Also NPOD 10/26/2013, 10/26/2014, 10/26/2015, 10/26/2016