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Foothill Sedge
Carex tumulicola
About Foothill Sedge (Carex tumulicola) Nurseries Show All Photos Foothill Sedge (Carex tumulicola) is a native grass-like herb in the Cyperaceae (Sedge) family that is found primarily along the coast from Humboldt County to San Luis Obispo County and on the Channel Island. It tends to grow in meadows and open places, at elevations from sea level to 4,000 feet. Unlike many other members of this genus, it is not a wetland plant. It prefers some moisture but can tolerate short periods of dryness. It spreads slowly by rhizomes.
Plant Description
Plant Type

Max. Height
0.5 - 1 ft (0.15 - 0.3 m)

Max. Width
2 ft (0.6 m)

Growth Rate

Summer Semi-Deciduous

Flower Color

Flowering Season
Spring, Summer

Native Status

Natural Setting
Site Type
Meadows and open woodlands

Sun, Part Shade

Elevation ?
7' - 6669'

Annual Precip. ?
9.1" - 95.7"

Summer Precip. ?
0.15" - 2.96"

Coldest Month ?
33.0° F - 55.7° F

Hottest Month ?
57.9° F - 75.8° F

Humidity ?
0.01 vpd - 22.71 vpd

Soil Description

Fast, Medium, Slow

Cold Tolerance(° F)
Tolerates cold to 15° F

Companion Plants
Use as a ground cover in spaces between trees or chaparral shrubs

Landscaping Information
Ease of Care
moderately easy

Water Requirement ?
Extremely Low
Very Low
Moderate - High

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

Common uses
Groundcovers, Deer Resistant

Other Names
Common Names
Slender Sedge, Split-awn Sedge, Splitawn 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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