- rhizome is edible raw.
- rhizome can be made tender by prolonged boiling.
- rhizome is best when peeled and cooked, either by boiling or roasting.
- central core of young shoots is edible raw.
- young spadix is edible raw.
- plant is an effective insect repellent.
- varieties in the Pacific Northwest include American sweetflag (Acorus americanus).
- grows in marshes, quiet water, and wet, open areas.