Large-leaved Aster (Eurybia macrophylla)

    

                

       

 

     

Large-leaved Aster (Eurybia macrophylla)

Large‑leaved aster is a dependable late‑season wildflower in Wisconsin’s woodlands, offering nectar and pollen when few other plants remain. Its broad basal leaves create cool, shaded pockets that shelter invertebrates and help retain moisture, and its rhizomes allow it to hold ground in the forest understory. As a host plant for the pearl crescent butterfly, it supports caterpillars that become part of the woodland food web, linking insects and birds in quiet but steady ways.

Botanically, large‑leaved aster is a native perennial that grows two to three feet tall. Its pale violet to white flowers appear in loose clusters above the forest floor, contrasting with the plant’s four‑ to eight‑inch heart‑shaped basal leaves. Smaller, stalkless, lance‑shaped leaves line the stem. It thrives in open woodlands and woodland openings, preferring dry‑mesic to mesic soils. Both ecologically and aesthetically, it’s a plant that rewards close attention and fits naturally into restoration and outreach.

Sources:

Prairie Moon Nursery — Eurybia macrophylla (Large‑leaved Aster)    

Wisconsin State Herbarium — Eurybia macrophylla species account 

 Flora of North America — Eurybia macrophylla treatment 

 USDA PLANTS Database — Eurybia macrophylla profile 

 Illinois Wildflowers — Large‑leaved Aster

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