I love Agapanthus and they signify 'summer' to the Australian and New Zealand public.
I was in Queensland on a conference, It must have been 12 years ago. As I walked out of the venue, the view in front of me was just as I've depicted in the quilt.
A picket fence and framed by Agapanthus.
I think this would look wonderful as an embroidery...
Click on the URL below for instructions.