Reblooming iris are heavy feeders. After the June flower flush, fertilize with an all-purpose granular flower fertilizer or several gallons of a water-soluble type, to help the plants reenergize.
If you're looking to start a pollinator garden, planting to improve biodiversity, or itching to attract goldfinches, favor single-flower varieties ... It's a dwarf cultivar, measuring 3 feet tall and ...