serrata ‘Blue Billow’

serrata ‘Blue Billow’

Sterile and fertile florets clear pink or blue on acid soil Gardens found in the 28 pre 2000 surveyed:  DA 2007,  LHS MS Gardens found in the 10 surveyed in 2010: DA LHS AA ESV NAN AW UKPlant Finder: 2012 = 3 nurseries