Your browser (Internet Explorer 7 or lower) is out of date. It has known security flaws and may not display all features of this and other websites. Learn how to update your browser.

X / search

Wildflower Bloom Report

Trilliums, Irises and Orchids Oh My

Posted on 5/4/2018 by State Nature Preserves
This week’s warm, sunny weather is stimulating a new group of wildflowers to bloom including irises and some orchids! The canopy trees are leafing out in the southern counties so this will be peak or very near peak bloom this weekend for most of the counties south of I-70. The early spring wildflowers such as cut-leaved toothwort, bloodroot and trout lily have senesced or beginning to fade for the southern 2/3 of the state. If you missed bloodroot or hepatica in bloom you will need to travel to northern Ohio close to Lake Erie to make sure you can find them in full bloom.

Here is a brief report on what is happening around the state.


There is a lot of activity in southern Ohio wood betony, goldenseal, foamflower, hoary puccoon, pale blue-eyed grass, dwarf crested iris, and Solomon’s plume are a few blooming now. At Shawnee State Park and Forest, vernal iris and dwarf-crested iris are in bloom. Pink lady’s-slipper orchid is just beginning to bloom in the area. Large yellow lady’s-slipper and large whorled pogonia are not far behind. Showy orchis has been blooming for over a week. Shawnee is a great place to see these orchids.

Shoemaker State Nature Preserve in Adams County, Virginia bluebells, Walter’s violet, smooth yellow violet, sessile trillium, large white trillium, blue cohosh, miterwort, kidney-leaved buttercup and hispid buttercup are at peak bloom. Other bloomers include golden ragwort, Jacob’s ladder, wild ginger, wild chervil, dwarf larkspur, and slender toothwort. Violet wood-sorrel, green violet, lyre-leaved sage and mayapple are in bud. At nearby Davis Memorial, dwarf-crested iris is beginning to bloom and should be at peak within a week.

Along the Ravine Trail at Burr Oak State Park blue-eyed Mary, large white trillium, sessile trillium, wood poppy, wild blue phlox, Canada violet and wild geranium are in bloom and wild geranium and Jacob’s ladder are just beginning to bloom. At Boch Hollow State Nature Preserve, fire pink and showy orchis are now in bloom.


At Clifton Gorge this week, new bloomers include wild chervil, Solomon’s seal, Solomon’s plume and wild geranium. Trilliums are at their peak and you may catch a Dutchman’s-breeches or sharp-lobed hepatica still blooming. Spring beauty and cut-leaved toothwort are still blooming but are beginning to fade.

The orchids are getting close to blooming in central Ohio. Pink lady’s-slippers are in bud at Christmas Rocks State Nature Preserve.


This weekend, large white trillium will be in peak or near peak bloom at Lawrence Woods State Nature Preserve. The state endangered heart-leaf plantain is in full bloom along with swamp buttercup, smooth yellow violet, marsh marigold, and giant cohosh. Drooping trillium, wild geranium and wild blue phlox are just beginning to bloom.

We hope you can join us this Saturday for a wildflower hike at Goll Woods State Nature Preserve. You can expect to see purple cress, yellow and white trout lilies, marsh marigold, cut-leaved toothwort, Dutchman’s-breeches, sessile trillium, large white trillium and swamp buttercup in bloom. Others you will see include wood anemone, dwarf ginseng, drooping trillium and bloodroot.

At Mohican State Park, bloodroot, squirrel-corn, Dutchman’s-breeches, long-spurred violet, Canada violet, Jack-in-the-pulpit, Virginia bluebell, wood anemone, white trout lily, wild ginger, miterwort, large white trillium and drooping trillium are in bloom.

This Sunday is the Lakeside Daisy State Nature Preserve annual open house and this year Lakeside Daisy won’t be at peak or near peak but there will be a good number in bloom so please come out and see this federal threatened species.

Spring wildflowers will be at peak or near peak for most of Ohio this weekend. The forecast looks great for enjoying the beauty in our forests before peak blooming ends.

For State Nature Preserves wildflower programs visit our calendar. We encourage you to take spring wildflower photos and upload them to social media using the hashtag, #ohiowildflowers.

Follow @ohiodnr and @OhioFindItHere on Twitter and Division of Natural Areas and Preserves on Facebook to see more spring wildflower photos.