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Cutleaf Coneflower (Rudbeckia laciniata)

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Cutleaf Coneflower

Summary

A somewhat atypical member of the Rudbeckia genus, a tall rhizomatous perennial with droopy yellow composite flowers with yellow centers and deeply-cut leaves.

Range - Expand

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Native

This tentative map is based on the FHWA's ERA. This data lacks information on Canada, but also overestimates native ranges, especially around the edges, as this post explains. We have not yet reviewed or fixed this map.

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Life Cycle

A long-lived perennial that often forms dense colonies by spreading vegetatively, through rhizomes. Also reproduces readily by seed.

Seeds germinate readily but young plants are often very small and slow to get established. Plants usually do not flower in the first year and usually only grow as a basal rosette, sometimes only a few inches in width.

Second-year plants usually reach full height. Plants continue to expand outward, forming colonies on favorable sites.

Stems die down after the plant sets seed, but basal foliage persists and can be semi-evergreen in mild winters. New foliage emerges early in spring, and grows quite tall and thick rapidly, allowing this plant to compete successfully against other early-emerging plants.

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