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Midwest Tallgrass Prairie & Savanna
States Covered: Illinois, Wisconsin, Minnesota, Iowa • Typical Climate: Zones 4a to 6a
Regional Ecological Context
The historic heart of the North American tallgrass prairie and oak savanna ecosystem, possessing deep glaciated soils. Key focus area for pollinator habitat restoration, agricultural buffer strips, and detention basin naturalization.
Primary Watersheds: Upper Mississippi River Basin, Great Lakes Basin, Illinois River
EPA Ecoregion Classifications
- Central Corn Belt Plains (Level III 54)
- Southeastern Wisconsin Till Plains (Level III 53)
- Driftless Area (Level III 52)
- Western Corn Belt Plains (Level III 47)
Important: A nursery's physical address indicates facility location, but ethical suppliers explicitly declare their maternal seed collection zones.
Regional Technical Guide
Upper Midwest Tallgrass Restoration: Sourcing Local-Ecotype Seeds & Bare-Root Stock
Technical guidelines for establishing prairie meadows, agricultural buffer strips, and detention basin plantings in Illinois, Wisconsin, Minnesota, and Iowa.
Read Full Planting & Sourcing Guide →Verified Nurseries in this Region (9)
Verified Active Specialist
Zone 4b
Prairie Moon Nursery
Seed Provenance & Eco-Type Policy
Supplier-verified policy: Over 700 species of native plants and seeds indigenous to the Upper Midwest and Northeast. Transparently publishes state and county collection provenance for all seed lots. Strictly straight species, no cultivars.
✓ Verified via Minnesota Native Plant Society & Wild Ones National Educational Partner
Verified Active Specialist
Zone 4b
Prairie Nursery
Seed Provenance & Eco-Type Policy
Supplier-verified policy: Propagates native prairie, woodland, and wetland species adapted to Midwest soils and cold winters. Seeds ethically collected from remnant Midwest populations.
✓ Verified via Botanical Club of Wisconsin & Wisconsin Dept of Natural Resources Cooperator
Verified Active Specialist
Zone 5b
Possibility Place Nursery
Seed Provenance & Eco-Type Policy
Supplier-verified policy: Specializes in growing indigenous woody plants (native oaks, hickories, viburnums) grown from seed collected within 150 miles of Chicago. Uses air-pruning container systems to prevent root girdling.
✓ Verified via Illinois Native Plant Society & Chicago Wilderness Alliance
Verified Active Specialist
Zone 5b
Pizzo Native Plant Nursery
Seed Provenance & Eco-Type Policy
Supplier-verified policy: Wholesale grower producing over 400 species of native wetland, prairie, and savanna plant plugs propagated from regional Midwest genetics.
✓ Verified via Illinois Native Plant Society & Ecological Restoration Association
Verified Active Specialist
Zone 5a
Red Buffalo Nursery
Seed Provenance & Eco-Type Policy
Supplier-reported: Propagates native plants indigenous to the prairie, sedge meadow, and oak savanna communities of northern Illinois and southern Wisconsin.
✓ Verified via Illinois Native Plant Society
Verified Active Specialist
Zone 5a
Agrecol Native Seed & Plant Nursery
Seed Provenance & Eco-Type Policy
Supplier-verified policy: Produces Yellow Tag certified seed and native plant plugs grown from local ecotype seed collected in southern Wisconsin and northern Illinois.
✓ Verified via Wisconsin DNR Cooperator & Botanical Club of Wisconsin
Verified Active Specialist
Zone 4b
Shooting Star Native Seeds
Seed Provenance & Eco-Type Policy
Supplier-verified policy: Specializes in producing native prairie grass and wildflower seed with documented Upper Midwest origin for CRP, DOT, and wetland projects.
✓ Verified via Minnesota Department of Agriculture Certified Seed Producer & MN Native Plant Society
Verified Active Specialist
Zone 4b
Outback Nursery
Seed Provenance & Eco-Type Policy
Supplier-reported: Propagates containerized native trees, shrubs, perennials, and grasses indigenous to Minnesota and western Wisconsin within 300 miles of the Twin Cities.
✓ Verified via Minnesota Native Plant Society & Minnesota Nursery and Landscape Association
Verified Active Specialist
Zone 5a
Ion Exchange Native Seed and Plant Nursery
Seed Provenance & Eco-Type Policy
Supplier-reported: Specializes in native prairie and wetland seed harvested from northeast Iowa and upper Mississippi valley remnant ecotypes.
✓ Verified via Iowa Prairie Network & Iowa Department of Natural Resources