Welcome, Raven! Awesome!! I live in eastern Montana, which is part of the flax capital of the planet! Also sunflowers
I have plans to plant an acre on some dryland next to alfalfa, rotating the flax field through the alfalfa stand in the following four years. Totally new to fiber crops, but I've found a lot of help for the beginner at
https://flaxcouncil.ca/growing-flax/