Slough Sedge
Carex obnupta
- Native to:
- Canada, United States
Gordon Leppig & Andrea J. Pickart
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Cyperaceae
- Genus:
- Carex
- Species:
- Carex obnupta
- USDA Symbol:
- CAOB3
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Graminoid
- Height:
- 150 cm
- Light Requirements:
- Part Shade
- Drought Tolerance:
- Low
- Bloom Months:
- apr,may,jun
- Bloom Colors:
- brown, green
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
- Salt Tolerant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Can resprout from rhizomes after fire; often increases in post-fire wetlands.
Soil Requirements
- Soil Type:
- rich, moisture-retentive organic soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in wetland areas
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds benefit from cold, moist stratification for 1-2 months to break dormancy.
Pre-treatment: Requires 45 days of cool/moist(38F) stratification. Also, soak seeds in water for 24 hours.
Establishment: Seeds are collected between August 20 and November 15th. Mature inflorescences are brown. The plant is common in dunes, flats and marshes, generally near the coast, in both fresh and saline soils; from sea level to 2000 feet elevation; from San Luis Obisipo County, California, north to southern Alaska.
Source: npn.rngr.net
Where to Buy
Nationwide Seller
- Native Seed Group (seeds)