The Ridges Sanctuary | Preservation, education and research since 1937
The Ridges Sanctuary
 | The Ridges Sanctuary, Wisconsin's oldest member-based nature preserve, celebrates over 72 years of connecting the Door County community with nature! Founded by pioneers in Wisconsin's conservation movement, the 1600-acre wildflower preserve is a Door County treasure, harboring one of the largest concentrations of rare plants in the Midwest.
The Ridges is also recognized as:
- The most biologically diverse area in Wisconsin, with over 475 plant species
- National Natural Landmark
- Wisconsin State Natural Area
- Location of 25 of the 40 orchid species in Wisconsin
- National Audubon Society Important Bird Area
Visit our 5 miles of sanctuary trails daily, from dawn to dusk. It is a great place to hike or participate in one of our programs.
- Self-guided or naturalist-led hikes
- Children's programs
- Thursday evening programs
- Workshops and outings
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Common Name
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Scientific Name
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Typical Blooming Dates
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Arctic Primrose
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Primula mistassinica
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May 1 - June 19
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Dwarf Lake Iris
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Iris lacustris
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May 10 - June 23
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Indian Paintbrush
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Castilleja coccinea
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May 18 - August 30
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Gaywings
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Polygala paucifolia
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May 18 - June 21
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Bog Buckbean
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Menyanthes trifoliata
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May 24 - June 15
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Pink Moccasin Flower
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Cypripedium acaule
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June 5 - June 30
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Yellow Lady's-slipper
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Cypripedium calceolus var. pubescens
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June 5 - July 1
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Labrador Tea
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Ledum groenlandicum
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June 5 - June 30
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Twinflower
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Linnaea borealis
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June 12 - July 12
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Shrubby Potentilla
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Potentilla fruticosa
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June 12 - October 10
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Pitcher Plant
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Sarracenia purpurea
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June 12 - July 5
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Thimbleberry
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Rubus parviflorus
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June 15 - July 6
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Lance-leaved Coreopsis
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Coreopsis lanceolata
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June 15 - August 9
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Wild Rose
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Rosa blanda
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June 15 - August 10
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Wood Lily
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Lilium philadelphicum
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June 23 - July 20
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Grass Pink Orchid
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Calopogon pulchellus
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June 23 - July 18
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Showy Lady's-slipper
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Cypripedium reginae
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June 22 - July 14
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Black-eyed Susan
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Rudbeckia hirta
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June 23 - September 14
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Ohio Goldenrod
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Solidago ohioensis
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July 29 - September 1
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Grass of Parnassus
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Parnassia glauca
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August 5 - September 14
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Dune Goldenrod
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Solidago simplex
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August 21 - September 14
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Fringed Gentian
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Gentiana procera
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August 24 - October 1
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The mission of The Ridges Sanctuary is to protect the Sanctuary and inspire stewardship of natural areas through programs of education, outreach and research.About Us | Contact Us | Newsletters | Site MapCopyright © 2009 The Ridges Sanctuary. All rights reserved.