How to Fertilize milky bellflower 'Superba'?
Balanced perennial feed every four weeks from spring through summer

milky bellflower 'Superba' · Campanula lactiflora 'Superba'
Will grow well in fertile, neutral to alkaline soil that is moist but well-drained, in full sun or partial shade avoiding wet conditions in winter. A semi-shade position will ensure the best flower colour is preserved. Will need staking in exposed sites. For more information see staking perennials.
Balanced perennial feed every four weeks from spring through summer