How to Fertilize Iris 'Blue Pigmy'?
Diluted iris feed every three to four weeks during spring bloom

Iris 'Blue Pigmy' · Iris 'Blue Pigmy'
Grow in well-drained, acid to neutral soil in full sun. Leave thick rhizome roots exposed on the soil surface when planting. See border iris cultivation.
Diluted iris feed every three to four weeks during spring bloom