In Mankato, Minnesota, spring brings noticeable changes in the natural world, closely observed by residents and students. Phenology, the study of cyclic and seasonal natural phenomena, is key to understanding these changes. The blooming of pasque flowers, an early sign of spring, and the morel mushroom season are eagerly anticipated. Anglers depend on environmental cues to align fishing with fish spawning runs. These observations are cultural traditions and valuable educational opportunities for students, fostering a connection with the local environment.