Plants of Chicago, Illinois
The plants most often spotted near Chicago, ranked by recent research-grade observations.
Most-observed plants near Chicago
common milkweed
Asclepias syriaca
4,295 observations
Virginia bluebells
Mertensia virginica
2,544 observations
mayapple
Podophyllum peltatum
2,406 observations
prairie trillium
Trillium recurvatum
2,255 observations
American pokeweed
Phytolacca americana
2,186 observations
ground-ivy
Glechoma hederacea
2,133 observations · iNaturalist
wild bergamot
Monarda fistulosa
2,129 observations
Virginia Springbeauty
Claytonia virginica
2,124 observations
lesser celandine
Ficaria verna
2,087 observations · iNaturalist
wild geranium
Geranium maculatum
2,058 observations
bittersweet nightshade
Solanum dulcamara
1,884 observations
garlic mustard
Alliaria petiolata
1,786 observations
butterfly milkweed
Asclepias tuberosa
1,738 observations
chicory
Cichorium intybus
1,729 observations
wild carrot
Daucus carota
1,703 observations
Siberian squill
Scilla siberica
1,576 observations · iNaturalist
bloodroot
Sanguinaria canadensis
1,532 observations
rattlesnake master
Eryngium yuccifolium
1,454 observations
white fawnlily
Erythronium albidum
1,380 observations
common buckthorn
Rhamnus cathartica
1,379 observations
red columbine
Aquilegia canadensis
1,321 observations
box elder
Acer negundo
1,307 observations
cut-leaved toothwort
Cardamine concatenata
1,306 observations
grey-headed coneflower
Ratibida pinnata
1,305 observations
creeping thistle
Cirsium arvense
1,283 observations · iNaturalist
golden Alexanders
Zizia aurea
1,276 observations
cup plant
Silphium perfoliatum
1,264 observations
late boneset
Eupatorium serotinum
1,247 observations · iNaturalist
compass plant
Silphium laciniatum
1,242 observations
Jack-in-the-Pulpit
Arisaema triphyllum
1,237 observations
star-flowered lily-of-the-valley
Maianthemum stellatum
1,231 observations
New England aster
Symphyotrichum novae-angliae
1,221 observations
white snakeroot
Ageratina altissima
1,214 observations
Virginia waterleaf
Hydrophyllum virginianum
1,197 observations
Red Clover
Trifolium pratense
1,185 observations
great blue lobelia
Lobelia siphilitica
1,184 observations
blue phlox
Phlox divaricata
1,174 observations
Canadian lousewort
Pedicularis canadensis
1,150 observations
American black elderberry
Sambucus canadensis
1,147 observations
swamp milkweed
Asclepias incarnata
1,146 observations
cutleaf teasel
Dipsacus laciniatus
1,096 observations · iNaturalist
large white trillium
Trillium grandiflorum
1,090 observations
prairie dock
Silphium terebinthinaceum
1,063 observations
eastern shooting star
Primula meadia
1,063 observations
Ohio spiderwort
Tradescantia ohiensis
1,057 observations
obedient plant
Physostegia virginiana
1,055 observations
white clover
Trifolium repens
1,037 observations
dame's rocket
Hesperis matronalis
1,023 observations · iNaturalist
tall bellflower
Campanulastrum americanum
1,004 observations · iNaturalist
purple loosestrife
Lythrum salicaria
996 observations