This document provides an introduction to grass-based and seasonal dairy production. It discusses how many dairy producers are relying more on pasture to provide nutrition for their cows during grazing seasons due to high feed costs and milk price uncertainty. The document covers topics like forage and grazing management, facilities, herd health, organic standards, and seasonal economics of grass-based dairying. It emphasizes the importance of resource assessment, adaptive management, and establishing grazing systems that allow forages to sufficiently recover between grazings.