Here's an article about sourcing and using locally foraged ingredients to make beer. It's also seasonally focused, so you brew based on the harvest in your area at the time.
Is this something you would be interested in doing at your brewery? Seems like a lot of work but recipes would really be your own unique thing, using mostly stuff growing locally. Seems like a cool idea to me
Read some of the book here for free
From Amazon:
The complete resource for brewing beer with farmed and foraged ingredients, featuring over 50 recipes
Forget hops: The revolution in craft beer is taking place in gardens, farmer’s markets, and deep in the woods outside rural towns across the country. It’s beer that offers a sense of place, incorporating locally sourced and seasonally harvested ingredients into traditional (and untraditional) farmhouse-style beers. The Homebrewer's Almanacis a practical guide for those who are interested in incorporating fresh and foraged ingredients into their beer, written by the brewers of one of the country’s hottest new breweries. Recipes include:
Sweet Potato Vienna Lager
Chanterelle Mushroom Saison
Nettle Spicebush Ale
Sumac Sour Ale
Basil Rye Porter
Each chapter offers an overview of what plants to look for in your region, as well as how to harvest and how to preserve them. A brewing guide in the modern DIY tradition with a touch of the retro farmer’s almanac, The Homebrewer's Almanac will be a staple in homebrewers’ libraries and a source of year-round inspiration.