A Mayapple sprouts in Yellowwood State Forest. Photo by Melissa Walther.

A rue anemone blooms on the bank as Jackson Creek sparkles in the background. Photo by Melissa Walther.

These Virginia bluebells along Bean Blossom Creek aren't as blue as they are pink. Photo by Melissa Walther.

Wild geraniums bloom in Brown County State Park. Photo by Tom Lotshaw.

A nodding trillium blooms on a rainy spring day. Photo by Tom Lotshaw.

A box turtle seeks shelter from the rain. Photo by Tom Lotshaw.

Bluets bloom along Strahl Lake in Brown County State Park. Photo by Tom Lotshaw.

A dragonfly caught in a spider web in Brown County State Park. It broke free and escaped moments later. Photo by Tom Lotshaw.

A tiger swallowtail stops for some nectar in Brown County State Park. Photo by Tom Lotshaw.

Fog forms over Yellowwood Lake as the sun sets on a rainy day. Photo by Tom Lotshaw.

Trees are quickly leafing out, as seen last weekend from an overlook in Brown County State Park. Photo by Tom Lotshaw.

Pink oxalis blooms on a hillside in Brown County State Park. Photo by Tom Lotshaw.

Wood poppies bloom along Jackson Creek. Photo by Tom Lotshaw.

Witch's butter oozes from a rotting branch. Photo by Tom Lotshaw.

A wild geranium about to bloom in Yellowwood State Forest. Photo by Tom Lotshaw.

Apple blossoms on a rainy spring day near Lake Monroe. Photo by Tom Lotshaw.

Spring larkspur blooms along Jackson Creek. Photo by Tom Lotshaw.

A bald eagle perched over Yellowwood Lake. Photo by Tom Lotshaw.

A red admiral butterfly rests during a windy day atop Browning Mountain. Photo by Tom Lotshaw.

A zebra swallowtail visits a spring beauty on Browning Mountain. Photo by Tom Lotshaw.

The sun peeks out over Jackson Creek on an otherwise overcast day. Photo by Tom Lotshaw.

Water beads up on a leaf in Yellowwood State Forest. Photo by Tom Lotshaw.

A warm spell earlier this April brought out this black snake in Hoosier National Forest. Photo by Tom Lotshaw.

A spring azure near Lake Monroe. Photo by Tom Lotshaw.

Jack in the pulpit glows in the sunshine in Yellowwood State Forest. Photo by Tom Lotshaw.

An eastern gray tree frog makes his way along the forest floor near Jackson Creek. Photo by Tom Lotshaw.

A morel mushroom, moments before being picked for dinner. Photo by Tom Lotshaw.

Redbuds bloom near Lake Monroe. Photo by Tom Lotshaw.

A yellow trout lily blooms at Deer Run Park. Photo by Tom Lotshaw.

A grapevine epimenisis moth in Hoosier National Forest. Photo by Tom Lotshaw.

A duskywing butterfly in Hoosier National Forest. Photo by Tom Lotshaw.

A skink surveys a spring day from the side of a tree in Hoosier National Forest. Photo by Tom Lotshaw.

Dutchman's breeches bloom along Jackson Creek in Yellowwood State Forest. Photo by Tom Lotshaw.

A young fiddlehead unfurls this spring in Yellowwood State Forest. Photo by Tom Lotshaw.

Spring beauties carpet the forest floor along Jackson Creek. Photo by Tom Lotshaw.

Harbinger of spring blooms along Jackson Creek. Photo by Tom Lotshaw.

A patch of violets blooms in Yellowwood State Forest. Photo by Tom Lotshaw.

Sharp-leaved hepatica blooms earlier this spring in Yellowwood State Forest. Photo by Tom Lotshaw.

An acorn sprouts in Yellowwood State Forest. Photo by Tom Lotshaw.

A tuft of grass goes to seed on a hillside overlooking Jackson Creek. Photo by Tom Lotshaw.

A salamander found under a rock along Jackson Creek. Photo by Tom Lotshaw.

An oak leaf decays on a bed of moss. Photo by Tom Lotshaw.