Gardeners plant flower gardens in their backyards, but Mother Nature loves to plant flower gardens along the highways and by-ways. I am often surprised by how many flowers thrive in sandy soil and survive the salting of roads in winter. I drive around town and I see familiar flowers in Mother Nature’s gardens like orange daylilies, blue chicory and Queen Anne ’s lace. While I enjoy roadside gardens, it was Lady Bird Johnson who took the appeal and…