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Ceanothus parryi
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Parry Ceanothus
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Ceanothus parryi

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About Parry Ceanothus (Ceanothus parryi) Ceanothus parryi is a species of shrub in the buckthorn family Rhamnaceae known by the common name Parry ceanothus. It is native to Oregon and northern California, where it grows in the canyons of coastal mountain ranges. It is an erect shrub approaching 5 meters in maximum height. The woody parts are reddish brown and woolly when new, darkening with age and shedding most of the hairs. The evergreen leaves are alternately arranged, oval in shape and edged with hairy teeth. They are dark green and hairless on the upper surfaces, paler and woolly on the undersides. The flower cluster is a long cluster of deep blue flowers, up to about 15 centimeters long. The fruit is a smooth, 3-lobed capsule a few millimeters long.
Plant Description
Plant Type

Max. Height
8.2 - 16.4 ft (2.5 - 5 m)


Flower Color
White, Blue

Native Status

Natural Setting
Site Type
Wooded canyons, slopes


Elevation ?
30' - 4320'

Annual Precip. ?
25.9" - 85.7"

Summer Precip. ?
0.31" - 2.72"

Coldest Month ?
40.2° F - 49.8° F

Hottest Month ?
58.0° F - 74.3° F

Humidity ?
0.06 vpd - 22.62 vpd

Sunset Zones ?
7*, 14, 15*, 16, 17

Landscaping Information
Propagation ?
For propagating by seed: Hot water and 3 mos. stratification.

Common uses
Bank Stabilization, Bird Gardens, Butterfly Gardens, Bee Gardens

Nursery Availability
Never or Almost Never Available

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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