California Native Plant Society
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Erigeron filifolius
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Thread Leaved Daisy
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Erigeron filifolius

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About Thread Leaved Daisy (Erigeron filifolius) Threadleaf Fleabane (Erigeron filifolius) is a native perennial herb that grows in Southern and Northern California, primarily in the Modoc Plateau region. It is fast growing and short-lived. It grows in an upright form to a height of 1 foot, with active growth during the spring and summer. Flowers are purple and striking, and bloom in the late summer. Leaves are medium green and deciduous. It tends to grow at elevations from 4000-6500 feet.
Plant Description
Plant Type
Perennial herb

Max. Height
1 ft (0.3 m)


Growth Rate

Winter Deciduous

Flower Color
Purple, Yellow

Flowering Season

Native Status

Natural Setting
Site Type

Part Shade

Elevation ?
2671' - 14090'

Annual Precip. ?
11.9" - 86.0"

Summer Precip. ?
0.66" - 3.85"

Coldest Month ?
10.8° F - 42.8° F

Hottest Month ?
34.1° F - 66.9° F

Humidity ?
0.89 vpd - 21.42 vpd

Soil Description
Prefers sandy or loamy soils. Does not grow well in clay soils.

Landscaping Information
Common uses
Groundcovers, Bee Gardens

Other Names
Botanical Names
Erigeron filifolius var. filifolius

Common Names
Threadleaf Fleabane

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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