National Prairie Day MPF’s Linden’s Prairie. Photo: R.S. Kinerson National Prairie Day and 12th Annual Prairie BioBlitz June 3-4, 2023 Join fellow prairie enthusiasts for an afternoon or a weekend at MPF’s Carver Prairie near Joplin, Missouri for MPF’s 12th Annual Prairie BioBlitz. Or, visit one of Missouri Prairie Foundation’s 32 prairies yourself and document observations through iNaturalist. Add to Calendar National Prairie Day Sponsors Sponsorship requires only your organization’s commitment to helping spread the word about National Prairie Day and prairies. Contact us for more info.