Grassy-leaved sweet flag is native to Japan and East Asia and loves a wet environment. It has shiny, curved, narrow leaves that are bright green with pale yellow stripes. The leaves and rhizomes have a sweet scent. The inconspicuous yellow-green flowers grow in short spikes and bloom from July to September. This plant grows to 12 inches in height and forms a tuft about 9 inches in diameter. Grow in moist soil in full sun to part shade or use it at the edge of ponds or bogs where it will spread by rhizomes.

Archived Copy: This content was captured before February 2022, and is no longer being updated.