菖 is a Japanese kanji written with 11 strokes, listed here under the keyword “iris”. It is built from 昌 (prosperous) and 艹 (mugwort). In Remembering the Kanji by James W. Heisig it is frame 2452.
On KumiJi Glyph Explorer, open the parts search and type “prosperous” + “mugwort”. 菖 is among the results, together with every other character containing the same shapes.
Open 菖 in the interactive kanji search
to expand every part down to its smallest pieces, add your own names and mnemonic stories,
or search for other characters by their parts.