Oats Posted on March 6, 2021March 6, 2021by Karen Chera HI . I noticed on passover list all 100% oats kosher for PO. Can you clarify?
Then see this post that explains it.
https://kashrut.org/?p=6913
First see the FAQ page which explains why oats is not one of the five grains
https://kashrut.org/?page_id=24