Brunnera, Siberian Bugloss, False Forget-Me-Not, Perennial Forget-Me-Not 'Langtrees'
Brunneramacrophylla
Synonym
Anchusa
myosotidiflora
You say it is only spread by dividing the rootball? Mine is spreading in my shade bed with no help from me.
I have 'Langtrees' and I love it! All the Brunneras (Siberian Bugloss) are great!