How to Fertilize Geum 'Rubin'?
Diluted geum flowering feed every three weeks spring through mid summer

Geum 'Rubin' · Geum 'Rubin'
Thrives in fertile, well-drained soil in full sun; will tolerate light shade but flowering is better in sun. Avoid areas that are waterlogged over winter. Divide every three years or so to maintain vigour
Diluted geum flowering feed every three weeks spring through mid summer