Start receiving our award-winning magazine today!

Subscribe
  • pause
  • Wild lupine carpets The Nature Conservancy's Ivanhoe Dune and Swale Nature Preserve in Gary in the spring. As part of an effort to restore Karner blue butterfly habitat, we have raised and planted thousands of lupine over the years.
  • Swales are dependent on not only the level of groundwater, but also on the level of Lake Michigan as well. This photo was taken in May 2013 at Ivanhoe Dune and Swale Nature Preserve. Last summer many of the swales ran dry from drought.
  • The yellow water buttercups are in profusion in this swale at Ivanhoe Dune and Swale Nature Preserve in Gary, Indiana. These are also a favorite nectaring plant of the diverse butterflies that frequent the area.
  • Foreground: wild lupine and columbine. Background: Conservancy staff have been aggressively managing button bush in the swales of Ivanhoe Dune and Swale Nature Preserve, located on the northwest side of Gary, IN.
  • With lupine in the foreground and the background, you can see that this beautiful wildflower is certainly in abundance at Ivanhoe Dune and Swale Nature Preserve in Gary, IN.
  • Wild lupine is a perennial plant in the pea family with beautiful pink to blue flowers. It is found primarily on dry, sandy soils in open to partially shaded habitats, like the savanna habitat found at Ivanhoe Dune and Swale Nature Preserve in Gary, IN.
  • A diverse mosaic of black oak savanna, prairie and wetlands is commonly found within a dune and swale community such as TNC's Ivanhoe Dune and Swale Nature Preserve in Gary, IN.
  • According to the Indiana Department of Environmental Management, wetlands covered 25% of Indiana in the early 1700s. By the late 1980s over 4.7 million acres - or 85% of our wetlands - had been lost!
  • You are welcome to visit Ivanhoe Dune and Swale Nature Preserve, Gary, IN, which is easily accessible from Cline Ave. Go east on U.S. 20, then left on Hobart St. Take Hobart St. until it ends, and you are there (move the barrier, park, and then move the barrier back).
  • The yellow buttercups are in profusion in the swales in May at TNC's Ivanhoe Dune and Swale Nature Preserve in Gary, IN. It's interesting how the leaves sit below the water with the flower stalk poking up above the surface of the water.
  • Ivanhoe Nature Preserve is an important remnant of dune and swale habitat that once covered 70 square miles of southern Lake Michigan that through intensive development has been reduced to a remaining 1,000 acres daily threatened by invasive species and climate change.
  • Wild lupine leaves are the favorite food of Karner blue butterflies when they are in their larval stage. As a matter of fact, it's the only food they will eat. This combined with loss of habitat is why they are considered an endangered species.
  • Starting in 2001, TNC has raised and introduced more than 1,000 Karner blue butterflies at Ivanhoe Dune and Swale Nature Preserve, Gary, IN. Happy nectaring butterflies!
  • Yellow water buttercups are benefiting from the clearing of native but aggressive button bush, using funding from the Great Lakes Restoration Intiative at Ivanhoe Dune and Swale Nature Preserve in Gary.
  • Wildlife you might find in one of the many swales at TNC's Ivanhoe Dune and Swale Nature Preserve in Gary, IN includes the state-endangered Least Bittern, yellow lady-slipper orchids, and snapping turtles.
  • Yellow star grass is a perennial wildflower that blooms for about a month at TNC's Ivanhoe Dune and Swale Nature Preserve in Gary, IN.
  • Indian paintbrush is beginning to show its colors and will bloom until September at Ivanhoe Dune and Swale Nature Preserve in Gary, IN.
  • Dead trees at Ivanhoe Dune and Swale Nature Preserve in Gary, IN are also important to ecosystems and support insects, birds and other wildlife looking for a snack. Mosses, lichens and fungi all grow on snags and aid in the return of vital nutrients to the soil through the nitrogen cycle.
  • John Drake (The Nature Conservancy) discusses the benefits of biodiversity to Martha Bolyard (TNC), Times of Northwest Indiana reporter Laurie Keagle; and TNC state trustee Ann Bochnowski of Munster at Ivanhoe Dune and Swale Nature Preserve in Gary, IN.
  • The International Day of Biodiversity (May 22nd) was celebrated in 2013 with a hike at Ivanhoe Dune and Swale by John Drake (The Nature Conservancy), Martha Bolyard (TNC), Times of Northwest Indiana reporter Laurie Keagle, and TNC state trustee Ann Bochnowski of Munster at Ivanhoe Dune and Swale Nature Preserve in Gary, IN.
  • Red columbine intermingle with lupine, making Ivanhoe Dune and Swale Nature Preserve in Gary a feast for the eyes each May.
  • Ivanhoe Dune and Swale in Gary is an oasis in the midst of nearby intensive development and fragmentation of the landscape.
  • Young oak trees, known as "oak grubs" can take over a savanna, crowding out plants such as wild lupine found. Periodic controlled fires help keep the oak trees in check at Ivahoe Dunes and Swale Nature Preserve in Gary, IN.
  • The Conservancy has been acquiring tracts of land at Ivanhoe Dune and Swale Nature Preserve since the mid-1980s.
  • Both hairy and hoary puccoon flourish throughout Ivanhoe Dune and Swale Nature Preserve in Gary -- often growing side-by-side.
Ivanhoe Dune & Swale Slideshow

We’re Accountable

The Nature Conservancy makes careful use of your support.

More Ratings

x animal

Sign up for Nature eNews!

Sign Up for Nature e-News

Get our e-newsletter filled with eco-tips and info on the places you care about most.

Thank you for joining our online community!

We’ll be in touch soon with more Nature Conservancy news, updates and exciting stories.

Please leave this field empty

We respect your privacy. The Nature Conservancy will not sell, rent or exchange your e-mail address. Read our full privacy policy for more information. By submitting this form, you agree to the Nature.org terms of use.