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Erigeron speciosus (Lindl.) DC.
Aspen Fleabane, Showy Fleabane
Asteraceae (Aster Family)
USDA Symbol: ERSP4
USDA Native Status: L48 (N), CAN (N)
Clusters of leafy stems,1 to 3 ft. tall, rise from the woody rootstock of this perennial. Each stem bears several showy, nearly 2 in. wide flower heads with from 70-150 blue, or rarely white, narrow rays. A leafy stem branches near the top into leafless stalks, each with one flower head at the end, with many narrow pink, lavender or white rays surrounding a yellow disc. The disc flowers are yellow-orange. The lower leaves of this plant tend to fall off as the season advances.
This Erigeron has one of the showiest heads, reflected in the species name, speciosus, which means "pretty." The similar Hairy Showy Daisy (E. subtrinervis) has spreading hairs over most of the stem and leaves.
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Size Notes: Up to about 3 feet tall, often shorter.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.
Bloom InformationBloom Color: White , Yellow , Blue , Purple
Bloom Time: Jun , Jul , Aug , Sep , Oct
Bloom Notes: Rays blue to lavender, rarely white.
DistributionUSA: AZ , CO , ID , MT , NM , NV , OR , SD , UT , WA , WY
Canada: AB , BC
Native Distribution: Alt. to s. B.C., s. to NM & AZ; also Black Hills & adjacent WY
Native Habitat: Open woods
Growing ConditionsLight Requirement: Sun
Soil Description: Dry to moist soils.
Conditions Comments: Showy fleabane will form colonies. Divide mature plants when the rosettes begin to overlap. Remove fallen leaves from nearby trees in the fall, at they can smother the rosettes and cause them to rot.
Value to Beneficial InsectsSupports Conservation Biological Control
This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.
PropagationDescription: Seeds may be sown outside in late fall or the following spring without any cold treatment. Only a small percentage of the seeds will germinate, so sow thickly. Seeds require light to germinate. A more practical method of propagation is division. Separ
Seed Collection: Nutlets develop rapidly in the 2-3 weeks following bloom period. Collect seedheads in a paper bag when the nutlets begin to turn brown. Air-dry, clean and seal in a stored, refrigerated container.
Commercially Avail: yes
Find Seed or Plants
Find seed sources for this species at the Native Seed Network.
View propagation protocol from Native Plants Network.
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Native Seed Network - Corvallis, OR
BibliographyBibref 841 - Native Alternatives to Invasive Plants (2006) Burrell, C. C.
Search More Titles in Bibliography
Web ReferenceWebref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Additional resourcesUSDA: Find Erigeron speciosus in USDA Plants
FNA: Find Erigeron speciosus in the Flora of North America (if available)
Google: Search Google for Erigeron speciosus
MetadataRecord Modified: 2022-12-26
Research By: TWC Staff