How to Fertilize delphinium 'Ruby Wedding'?
Diluted delphinium feed every four weeks spring and summer time

delphinium 'Ruby Wedding' · Delphinium 'Ruby Wedding'
Grow in a fertile, well-drained but moisture-retentive soil in full sun, in a position sheltered from strong winds, and provide stakes or other supports. See staking: perennials and delphinium cultivation for further advice
Diluted delphinium feed every four weeks spring and summer time