Razorgrain is a crafting component used for brewing alcoholic beverages or cooking food and food-related items in Fallout 76. It is a grass-like grain grown on farms in Appalachia, which you must find and manually harvest before using it in crafting recipes like the Brahmin Pen. Unfortunately, there are only a few locations that have Razorgrain plants, which makes it a bit tricky to find. Here's where to find Razorgrain in Fallout 76, so you aren't scouring Appalachia.