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Wyethia angustifolia
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Narrow Leaf Mule Ears
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Wyethia angustifolia

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About Narrow Leaf Mule Ears (Wyethia angustifolia) Narrow Leaf Mule Ears (Wyethia angustifolia) is a native perennial herb in the Asteraceae (Sunflower) family that grows in central and northern California. It tends to grow in stream banks and springs, at elevations from 0-5,500 feet, from the coast to the Sierras. It is winter dormant and dies back to the ground. It has large flowers, up to 3" in diameter, that last from spring to summer.
Plant Description
Plant Type
Perennial herb

Max. Height
3 ft (0.9 m)

Max. Width
3 ft (0.9 m)

Winter Deciduous

Flower Color

Flowering Season
Spring, Summer

Native Status

Natural Setting
Site Type
Stream banks, springs, grasslands and meadows


Elevation ?
-53' - 8095'

Annual Precip. ?
4.4" - 133.4"

Summer Precip. ?
0.19" - 3.85"

Coldest Month ?
28.1° F - 61.4° F

Hottest Month ?
50.8° F - 88.8° F

Humidity ?
0.03 vpd - 26.55 vpd

Soil Description
Tolerates a variety of soils as long as adequate drainage is provided

Soil PH
5.8 - 7.0


Cold Tolerance(° F)
Tolerates cold to -5° F

Sunset Zones ?
1, 4*, 5*, 6*, 7*, 8, 9, 14*, 15*, 16*, 17*, 18*, 19, 20, 21, 22, 23, 24

Companion Plants
Use with various native grasses, geophytes such as onion (Allium sp.), Milkweed (Asclepias sp.), and annual wildflowers such as Clarkia sp.

Wildlife Attracted
Numerous insects, including bees and butterflies, are attracted to plants in the Asteraceae family

Landscaping Information
Ease of Care
Moderately Easy

Water Requirement ?
Extremely Low
Very Low
Moderate - High

Moderately Popular

Max. Summer Water ?
2x/month, 3x/month
No Summer Water
Keep moist

Propagation ?
For propagating by seed: 3 mos. stratification. No treatment may give satisfactory germination.

Nursery Availability
Commonly Available

Other Names
Common Names
California Compassplant

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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