How to Fertilize penstemon 'Purple Bedder'?
Balanced perennial feed every four weeks from spring through summer

penstemon 'Purple Bedder' · Penstemon 'Purple Bedder'
Grow in fertile, well-drained soil in full sun or partial shade; in autumn, cut plants down to about a third of their height and spread a dry mulch; see penstemon cultivation for more advice
Balanced perennial feed every four weeks from spring through summer