All the years dealing with OA, I never tried Feverfew. It's mentioned in the above link and then I find more info here. Reading more, many make claim to getting rid of migraines on Feverfew.
http://umm.edu/health/medical/altmed/herb/feverfew
On the foods, sounds like Plant Based foods are best to keep OA pain and inflammation under control.
Do Your Research, I know you all do.