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Spotted Joe-Pye weed
Habit (mature) · Marc Ryckaert / Wikimedia Commons · CC BY 3.0
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Spotted Joe-Pye weed
Eutrochium maculatum
A tall native northern + central North American perennial with whorled foliage on purple-spotted stems and broad rounded clusters of mauve-pink flowers in late summer. More cold-tolerant + moisture-loving than sweet Joe-Pye weed (E. purpureum); ideal for cold-climate rain garden + wet-meadow plantings.
Native: 36 US states + 10 CA provinces
Review: Source-backed
Climate fit: broad (83/100)
Pollinator
Focal point
Light
Full sun / Part sun
Water
Consistent moisture
Mature size
48-84" tall · 36" apart
Hardy in zones
3a-8b
brutally cold to frosty winters
Summer heat range
Cool-Hot
cool to hot summers Interim Plotwright tier until the plant AHS range is authored.
Native in Illinois
Yes
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Native across 46 US states and Canadian provinces — a wide-ranging part of North America's plant communities.
Lady Bird Johnson Wildflower Center
Cold hardiness
Now
Zone 6b
USDA
Chicago, IL · 1991-2020 average annual coldest day
Source: USDA Plant Hardiness Zone Map 2023 (1991-2020 climatology) via ArcGIS FeatureServer
Well-suited
2050
Zone 7b
Plotwright
Your zone + climate-model shift · SSP3-7.0 (regional rivalry)
Well-suited
In plain terms: cold winters — coldest nights typically around -3°F.
Well-suited today and still thriving in 2050.
Heat tolerance
Loading current AHS heat-zone and plant heat-fit data at your coordinates…
Sources & citations
Cite this page
For lesson plans, articles, or research that uses this page. To cite a single upstream fact instead, use its specific source listed below.
Plotwright. (2026, May 17). Spotted Joe-Pye weed (Eutrochium maculatum). Retrieved 2026, June 5, from https://plotwright.garden/plants/spotted-joe-pye-weed
Sources for every fact
Every fact on this page traces to a source. 18 fields cited18 source-backed.
NC State Extension Gardener Plant Toolbox
University extension service
Backs 17 fields
Identity
Summary
Plant type
Light
Moisture
Hardiness
Heat zone
Size
Spacing
Habit
Design roles
Seasonal interest
Growth stages
Lifecycle
Regional guidance
Success tips
Designer notes
Wikimedia Commons
Photo · CC BY 3.0
Backs 1 field
Image
Community photos
The photos above are our reviewed reference set, curated for accuracy.
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