How to Fertilize iris 'Alcazar'?
Diluted iris nutrient feed biweekly before flower bud formation stage

iris 'Alcazar' · Iris 'Alcazar'
Grow in well-drained, fertile, neutral to slightly alkaline loam in full sun, with upper part of rhizomes exposed. See bearded iris cultivation
Diluted iris nutrient feed biweekly before flower bud formation stage