Johnson's Shut-Ins Dolomite Glade

Missouri Evening Primrose
Missouri Evening Primrose

Points of Interest:

  • See a glade developed on dolomite, in contrast to the extensive igneous glades in the surrounding Johnson’s Shut-Ins State Park.
  • Enjoy a season long progression of glade wildflower blooms.

Natural Features Description:

This glade developed on dolomite of the Davis formation, a Cambrian period rock formed over 500 million years ago. Few dolomite glades such as this occur in the St. Francois Mountains region. It has a set of plant species including gum bumelia, Missouri evening primrose, rose verbena, calamint, and glade heliotrope that are not found on nearby igneous glades.

Access Information: 

This natural area is within Johnson’s Shut-Ins State Park. Access to this natural area is difficult. Inquire at the park office about a visit to this natural area. To reach the park office: from the intersection of Highway 21 and Highway N north of Pilot Knob (Iron Co.) go west nearly 13 miles to the park entrance on the left (south). Follow the signs to the park office.

General Information
Designation Date: 
MO Department of Natural Resources
Johnson’s Shut-Ins State Park
Contact Phone: 

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