AZ Wildflowers hitting the road.  Wildflowers dot Catalina State Park in spring. AN PHAM Highway 79 from Florence to Oracle Junction, Arizona Every March and April, wildflowers and butterflies beckon travelers to take the leisurely backroads between Phoenix and Tucson. Along the 43 miles of Highway 79 from Florence to Oracle Junction, nature paints a veritable Monet’s garden along the roadside: citrus-colored poppies, violet lupine, lavender owl’s clover, and globemallow in shades of rainbow