Ageratum Blue Horizon
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/62528187@N00">Dwight Sipler</a> from Stow, MA, USA
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/photofarmer/302339376/">Ageratum Blue Horizon</a>