I use the tag shop=farm. It's been around for a while. https://wiki.openstreetmap.org/wiki/Tag:shop%3Dfarm
-- @osm_washington www.snowandsnow.us OpenStreetMap: Maps with a human touch
_______________________________________________ Tagging mailing list Tagging@openstreetmap.org https://lists.openstreetmap.org/listinfo/tagging