JTP_3930 Published July 21, 2016 at 370 × 500 in Hiking from South Mesa Trailhead in Boulder ← Previous Next → A dandelion the size of a tennis ball along Homestead Trail outside of Boulder, Colorado on Wednesday, July 20, 2016. A dandelion the size of a tennis ball along Homestead Trail outside of Boulder, Colorado on Wednesday, July 20, 2016.