How to Fertilize Penstemon 'Grape Taffy'?
Balanced perennial feed every four weeks from spring through summer
Penstemon 'Grape Taffy' · Penstemon 'Grape Taffy'
Grow in fertile, well-drained soil in full. In cold areas, protect plant over winter with a dry mulch. See penstemon cultivation
Balanced perennial feed every four weeks from spring through summer