Prairie Grasses and Wildflowers

The following is a guide to the prairie plant species that can be found in the restored Uhler Prairie of the Linnaeus Arboretum.

Key to species accounts:

Species name: common name with scientific (Latin) name in parentheses; "L." following scientific name designates a species named by Linnaeus circa. 1760 A.D.

  1. Period of blooming
  2. Plant Family

* All photos taken at Gustavus by Bob Dunlap, Arboretum Naturalist unless otherwise noted.

 

Yarrow (Achillea millefolium) L.

Yarrow

  • Blooms June - September
  • Aster Family (Asteraceae)

Fragrant Giant Hyssop (Agastache foeniculum)

Fragrant Giant Hyssop

  • Blooms July - August
  • Mint Family (Lamiaceae)

Prairie Onion (Allium stellatum)

  • Blooms July - August
  • Lily Family (Liliaceae)

Leadplant (Amorpha canescens)

Lead Plant

  • Blooms June - July
  • Pea Family (Fabaceae)

Big Bluestem (Andropogon gerardii)

Big Bluestem

  • Blooms July - September
  • Grass Family (Poaceae)

Windflower or Thimbleweed (Anemone cylindrica)

  • Blooms May - June
  • Buttercup Family (Ranunculaceae)

Pussy Toes (Antennaria neglecta)

Pussy Toes

  • Blooms April - June
  • Aster Family (Asteraceae)

Columbine (Aquilegia canadensis) L.

  • Blooms May - June
  • Buttercup Family (Ranunculaceae)

Prairie Sage (Artemisia ludoviciana)

Prairie Sage

  • Blooms July - September
  • Aster Family (Asteraceae)

Common Milkweed (Asclepias syriaca) L.

Common Milkweed

  • Blooms June – August
  • Milkweed Family (Asclepiadaceae)

Butterfly Weed (Asclepias tuberosa) L.

Butterfly Weed

  • Blooms June - August
  • Milkweed Family (Asclepiadaceae)

Whorled Milkweed (Asclepias verticillata) L.

Whorled Milkweed

  • Blooms June - August
  • Milkweed Family (Asclepiadaceae)

Heath Aster (Aster ericoides) L.

Heath Aster

  • Blooms August - October
  • Aster Family (Asteraceae)

Smooth Blue Aster (Aster laevis) L.

Smooth Blue Aster

  • Blooms August - October
  • Aster Family (Asteraceae)

Aromatic Aster (Aster oblongifolium)

  • Blooms September - October
  • Aster Family (Asteraceae)

White Upland Aster (Aster ptarmicoides)

White Upland Aster

  • Blooms August - September
  • Aster Family (Asteraceae)

Silky Aster (Aster sericeus)

  • Blooms August - September
  • Aster Family (Asteraceae)

Canada Milk Vetch (Astragalus canadensis) L.

Canada Milk Vetch

  • Blooms July - August
  • Pea Family (Fabaceae)

Ground Plum (Astragalus crassicarpus)

  • Blooms May - June
  • Pea Family (Fabaceae)

Side Oats Grama (Bouteloua curtipendula

Side Oats Grama

  • Blooms July - September
  • Grass Family (Poaceae)

Hairy Grama (Bouteloua hirsuta)

  • Blooms May - June
  • Grass Family (Poaceae)

Prairie Brome (Bromus kalmii)        

  • Blooms June - August
  • Grass Family (Poaceae)

Harebell (Campanula rotundifolia) L.

  • Blooms July - August
  • Campanula Family (Campanulaceae)

New Jersey Tea (Ceanothus americanus) L.

  • Blooms May - July
  • Buckthorn Family (Rhamnaceae)

Golden Aster (Chrysopsis villosa)

  • Blooms July - August
  • Aster Family (Asteraceae)

Prairie Coreopsis or Stiff Tickseed (Coreopsis palmata)

Prairie Coreopsis

  • Blooms June - August
  • Aster Family (Asteraceae)

White Prairie Clover (Dalea candida)

White Prairie Clover

  • Blooms June - September
  • Pea Family (Fabaceae)

Purple Prairie Clover (Dalea purpurea)

Purple Prairie Clover

  • Blooms June - September
  • Pea Family (Fabaceae)

Prairie Larkspur (Delphinium virescens)

  • Blooms May - June
  • Buttercup Family (Ranunculaceae)

Canada Wild Rye (Elymus canadensis) L.

  • Blooms July - September
  • Grass Family (Poaceae)

Northern Bedstraw (Galium boreale) L.

  • Blooms June - August
  • Bedstraw Family (Rubiaceae)

White Prairie Gentian (Gentiana flavida)

  • Blooms August - September
  • Gentian Family (Gentianaceae)

Prairie Smoke (Geum triflorum)

Prairie Smoke

  • Blooms April - June
  • Rose Family (Rosaceae)

Frostweed (Helianthemum bicknellii)

  • Blooms July - August
  • Rock-rose Family (Cistaceae)

Stiff Sunflower (Helianthus laetiflorus)

Stiff Sunflower

  • Blooms July - September
  • Aster Family (Asteraceae)

Ox-eye (Heliopsis helianthoides) L.

  • Blooms June - September
  • Aster Family (Asteraceae)

Alumroot (Heuchera richardsonii)

  • Blooms May - June
  • Saxifrage Family (Saxifragaceae)

Path Rush (Juncus tenuis)

  • Blooms May - September
  • Rush Family (Juncaceae)

June Grass (Koeleria macrantha)

  • Blooms June - July
  • Grass Family (Poaceae)

Round-headed Bush Clover (Lespedeza capitata)

Round-headed Bush Clover

  • Blooms August - September
  • Pea Family (Fabaceae)

Rough Blazing Star (Liatris aspera)

Rough Blazing Star

  • Blooms July - September
  • Aster Family (Asteraceae)

Dotted Blazing Star (Liatris punctata)

  • Blooms September - October
  • Aster Family (Asteraceae)

Prairie Blazing Star (Liatris pycnostachya)

  • Blooms August - September
  • Aster Family (Asteraceae)

Great Blue Lobelia (Lobelia siphilitica) L.

  • Blooms July - September
  • Bluebell Family (Campanulaceae)

Pale Lobelia (Lobelia spicata)

  • Blooms June - August
  • Bluebell Family (Campanulaceae)

Wild Bergamot (Monarda fistulosa) L.

Wild Bergamot

  • Blooms July - September
  • Mint Family (Lamiaceae)

Switchgrass (Panicum virgatum) L.

Switchgrass

  • Blooms August - October
  • Grass Family (Poaceae)

Lilac Penstemon (Penstemon gracilis)

  • Blooms May - July
  • Snapdragon Family (Scrophulariaceae)

Prairie Phlox (Phlox pilosa) L.

  • Blooms April - June
  • Phlox Family (Polemoniaceae)

Prairie Cinquefoil (Potentilla arguta)

  • Blooms June - July
  • Rose Family (Rosaceae)

Sweet Everlasting (Pseudognaphalium obtusifolium)

  • Blooms August - October
  • Aster Family (Asteraceae)

Prairie Coneflower (Ratibida pinnata)

Prairie Coneflower

  • Blooms June - August
  • Aster Family (Asteraceae)

Prairie Rose (Rosa arkansana)

  • Blooms June - August
  • Rose Family (Rosaceae)

Black-eyed Susan (Rudbeckia hirta) L.

Black-eyed Susan

  • Blooms June - September
  • Aster Family (Asteraceae)

Prairie Groundsel (Senecio plattensis)

  • Blooms May - June
  • Aster Family (Asteraceae)

Prairie Blue-eyed Grass (Sisyrinchium campestre)

  • Blooms May - July
  • Iris Family (Iridaceae)

Canada Goldenrod (Solidago canadensis) L.

Canada Goldenrod

  • Blooms August – October
  • Aster Family (Asteraceae)

Gray Goldenrod (Solidago nemoralis)

Gray Goldenrod

  • Blooms August - October
  • Aster Family (Asteraceae)

Stiff Goldenrod (Solidago rigida) L.

Stiff Goldenrod

  • Blooms August - October
  • Aster Family (Asteraceae)

Showy Goldenrod (Solidago speciosa)

Showy Goldenrod

  • Blooms August - October
  • Aster Family (Asteraceae)

Indian Grass (Sorghastrum nutans)

Indian Grass

  • Blooms August - October
  • Grass Family (Poaceae)

Prairie Dropseed (Sporobolus heterolepis)

  • Blooms August - October
  • Grass Family (Poaceae)

Porcupine Grass (Stipa spartea)

  • Blooms May - June
  • Grass Family (Poaceae)

Hoary Vervain (Verbena stricta)

Hoary Vervain

  • Blooms June - September
  • Verbena Family (Verbenaceae)

Culver’s Root (Veronicastrum virginicum)

Culver's Root

  • Blooms July - September
  • Snapdragon Family (Scrophulariaceae)

Golden Alexander (Zizia aurea)

Golden Alexander

  • Blooms May - June
  • Carrot Family (Apiaceae)