For the "Colourful October" challenge.

This grass is native to southern Ontario and is quite spectacular. It forms large clumps which grow to 6 feet or more, and in late summer/autumn the stem colour intensifies.

To see others finding colour this month: https://forum.pbase.com/viewtopic.php?f=16&t=49205&sid=f18c67fcc2ee77a40ca07af0ad319bc8