https://www.rhs.org.uk/plants/196711/sanguisorba-officinalis-martin-s-mulberry/details
Find help & information on Sanguisorba officinalis 'Martin's Mulberry' great burnet 'Martin's Mulberry' Herbaceous Perennial from the RHS
sanguisorba officinalisgreat burnetmartinmulberry
https://www.rhs.org.uk/plants/307371/sanguisorba-officinalis-early-flowering/details
Find help & information on Sanguisorba officinalis early-flowering from the RHS
sanguisorba officinalisearlyfloweringrhs