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Bottlebrush Sedge Back to Plant Page
Carex hystericina

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About Bottlebrush Sedge (Carex hystericina) Carex hystericina is a species of sedge known by the common names bottlebrush sedge and porcupine sedge. It is native to much of North America including most of southern Canada and most of the United States. It grows in wet habitat such as wetlands and riverbanks, especially on calcareous soils. In the right conditions it can become very abundant and even weedy. This sedge produces dense or loose clumps of triangular stems up to a meter tall from short rhizomes. The flower cluster is several centimeters long and is accompanied by a leaf which is longer than the spikes. The fruits are coated in perigynia with pointed, toothed tips. It is highly recommend for sedge meadow restorations.
Plant Description
Plant Type

Max. Height
3.3 ft (1 m)

Flower Color

Native Status
Natural Setting
Site Type
Wet places


Elevation ?
782' - 8157'

Annual Precip. ?
37.4" - 58.9"

Summer Precip. ?
1.00" - 2.39"

Coldest Month ?
30.7° F - 46.2° F

Hottest Month ?
52.3° F - 71.3° F

Humidity ?
0.86 vpd - 20.29 vpd

Landscaping Information
Other Names
Common Names
Porcupine Sedge

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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