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Woods Phacelia
Phacelia nemoralis
About Woods Phacelia (Phacelia nemoralis) 2 Nurseries Carry This Plant Phacelia nemoralis is a species of phacelia known by the common name shade phacelia. It is native to the west coast of the United States from Washington to central California, where it grows in moist, usually forested areas along the coastline and in the coastal mountain ranges. It is a perennial herb producing a densely hairy, erect stem which may reach two meters in height. The leaves are variable in shape, the largest lower ones 15 to 25 centimeters long and divided into several leaflets. Upper leaves are smaller and undivided. The flower cluster is a one-sided coiling cyme of bell-shaped flowers. Each flower is up to 6 millimeters long and greenish or yellowish white in color with whiskery protruding stamens. There are two subspecies. The ssp. oregonensis, known commonly as Oregon phacelia or woodland phacelia, can be found in Washington State, while ssp. nemoralis does not occur there.
Plant Description
Plant Type
Plant Type
Annual herb, Perennial herb

3.5 - 7 ft tall

Flower Color
Flower Color

Wildlife Supported

Butterflies & moths hosted ( 8 likely * ) SHOW ALL

Landscaping Information
Full Sun, Part Shade


Common uses
Common uses
Butterfly Gardens, Bee Gardens

Natural Setting
Site Type
Site Type
Moist slopes

Annual Precipitation: 18.6" - 130.0", Summer Precipitation: 0.20" - 3.99", Coldest Month: 40.2" - 51.0", Hottest Month: 59.0" - 76.0", Humidity: 0.04" - 23.15", Elevation: 19" - 5228"

Alternative Names
Common Names: Shade Phacelia, Shade Scorpionweed

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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