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Slough Sedge
Carex obnupta
  
About Slough Sedge (Carex obnupta) 10 Nurseries Carry This Plant Carex obnupta is a species of sedge known by the common name slough sedge. It is native to western North America from British Columbia to California where it grows crudsaline habitat such as wetlands. The plant produces upright, angled stems approaching 1.2 meters in maximum height, growing in beds or colonies from rhizome networks. The flower cluster is a cluster of flower spikes accompanied by a long leaflike leaf. The pistillate spikes and sometimes the staminate spikes dangle on peduncles. The fruit is coated by a hard, tough, shiny perigynium which is generally dark in color.
Plant Description
Plant Type
Plant Type
Grasses

Size
Size
3 - 3.9 ft tall

Form
Form
Upright

Growth Rate
Growth Rate
Fast

Flower Color
Flower Color
Yellow

Flowering Season
Flowering Season
Spring

Wildlife Supported
 


 
Butterflies & moths hosted ( 7 likely * ) SHOW ALL

Landscaping Information
Sun
Sun
Shade

Moisture
Moisture
Moderate - High

Nurseries
Nurseries

Soil Drainage
Soil Drainage
Fast, Medium, Slow

Soil Description
Soil Description
Tolerant of a variety of garden soils as long as sufficient moisture is available

Common uses
Common uses
Bogs and Ponds, Deer Resistant

Sunset Zones
Sunset Zones?
4*, 5*, 6, 7, 8, 9, 14*, 15*, 16*, 17*, 24

Natural Setting
Site Type
Site Type
Moist saline places

Climate
Climate
Annual Precipitation: 12.5" - 115.1", Summer Precipitation: 0.20" - 3.07", Coldest Month: 39.7" - 50.7", Hottest Month: 56.6" - 74.8", Humidity: 0.01" - 22.39", Elevation: -13" - 5891"

Alternative Names
Common Names: Coast Carex


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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