On 14 Jan, 14:29, Alisha wrote:
The best wildflower seeds I have come across were developed by Nigel
Dunnett at Sheffield University and are available at Garden Boutiquehttp://tinyurl.com/2cbyct

I'll second this! I was going to mention his work. He's a guru of
mine! He's marvelous. He's done lots of roof gardens too and has
inspired me when I done mine last year )

http://www.shef.ac.uk/landscape/cont...ett/index.html