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

Iris 'Welcome Return' · Iris 'Welcome Return'
Grow in any good garden soil that is preferably moist but not waterlogged. In drier soils, dig in well-rotted organic matter before planting then apply as a mulch each spring
Diluted iris feed every three to four weeks during spring bloom