Joe Pye Weed

Eutrochium maculatum

by Doris Gilbert

Pinkish-purple flowers top tall stems with whorls of narrow leaves. Named for the characteristic purple spots on the stems, this is a perennial that can add some height to a landscape. Tends to be found in sunny and moist locations, such as wet prairies, marshes, sandy wetlands, and swampy thickets.  Well-suited for rain gardens, near downspouts, or in wetter areas with rich soil.   

This species is native to the Chicago region according to Swink and Wilhelm’s Plants of the Chicago Region and current research.

Soil type: Slightly acidic

Soil moisture:  Moist, Wet soil

Sun exposure: Full sun (6 hrs direct light daily), Partial sun / shade (4-6 hrs light daily)

Height: Large plant (more than 24 inches)

Bloom Color: Pinkish-purple

Bloom Time: Midsummer, late summer, early fall

Benefits: Attracts dozens of species of butterflies, including tiger swallowtails, monarchs, skippers, and azures. Swamp sparrows will often feed on the seeds. The foliage may be browsed upon by deer, rabbits, or livestock.

(Sources: mortonarb.com / leavesforwildlife.com /vplant.org / inaturalist.org, gobotany.nativeplanttrust.org)