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Cutleaf coneflower

Cutleaf coneflower

Rudbeckia laciniata
A tall native eastern North American perennial with deeply-lobed foliage and bright-yellow drooping ray flowers around a green central cone in midsummer through fall. Spreads vigorously by rhizomes; site where colony formation is welcome. Among the most cold-tolerant native rudbeckias.
Native: 42 US states + 6 CA provinces
Climate fit: broad (94/100)
Pollinator
Focal point
Light
Full sun / Part shade
Water
Consistent moisture
Mature size
5-9 ft tall · 30" apart
Hardy in zones
3a-9b
brutally cold to frosty winters
AHS heat range
1-11
Plant range authored in AHS heat-zone terms.
Native in Illinois
Yes

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A documented larval host for the Silvery checkerspot - caterpillars feed on its foliage before becoming the next generation.

Cold hardiness

These values are location-based: this location's current hardiness is the baseline, and the 2050 value is a projected future climate for this same location.
Now
Zone 6b
Plotwright
USDA Zone 6b
-5°F to 0°F
Well-suited
Zone 7a
Plotwright
0°F to 5°F
Well-suited
In plain terms: This location has cold winters. Its winters are projected to keep warming through 2050.
Well-suited today and still thriving in 2050.

Heat tolerance

Heat tolerance values are location-based too: heat days today are observed at this site, and the 2050 value projects this same location under a future climate.
Loading AHS heat-zone data for this location...

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Browse lateral options with similar roles, light needs, size, or native-range overlap; these are not filtered for a better climate fit.
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Educator packet

Plant packet
Cutleaf coneflower educator packet
A tall native eastern North American perennial with deeply-lobed foliage and bright-yellow drooping ray flowers around a green central cone in midsummer through fall. Spreads vigorously by rhizomes; site where colony formation is welcome. Among the most cold-tolerant native rudbeckias.
Scientific name
Rudbeckia laciniata
Plant type
perennial
Hardiness
3a-9b
Light
full-sun, part-shade
Moisture
consistent
Spacing
30 inches
Classroom prompts
- Which plant traits are observations, and which are care recommendations?
- How would this plant fit change if the garden location moved warmer, colder, wetter, or drier?
- Which source-backed facts would you cite in a lesson handout?
Use the Sources & citations section below for page citation styles and the field-level source list.

Sources & citations

Cite this page
For lesson plans, articles, or research that uses this page. Use the source cards below to explore the references that informed this record.
Plotwright. (2026, May 17). Cutleaf coneflower (Rudbeckia laciniata). Retrieved 2026, August 20, from https://plotwright.com/plants/rudbeckia-laciniata
Sources used for this record
This record is compiled from the sources below.
NC State Extension Gardener Plant Toolbox
University extension service
USDA PLANTS Database
Government data source
Lady Bird Johnson Wildflower Center Native Plant Database
Botanical research database
Plants of the World Online (POWO)
Botanical research database
Wikimedia Commons
Photo · CC BY-SA 4.0