Northwest Territory Sedge

Carex utriculata

Native to:
Baltic States, Belarus, Canada, China, Czechia-Slovakia, Finland, Japan, Kazakhstan, Korea, Kuril Is., Labrador, Mexico, Norway, Poland, Prince Edward I., Romania, Russia, Sweden, United States

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Cyperaceae
Genus:
Carex
Species:
Carex utriculata
USDA Symbol:
CAUT

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
120 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
may,jun,jul

Host Plant for Caterpillars

Broad-winged Skipper (Poanes viator), Eyed Brown (Satyrodes eurydice)

Garden & Ecology Notes

Wildlife Value:
waterfowl, songbirds, muskrats, wetland mammals
Fall Color:
tan, brown

Soil Requirements

Soil Type:
rich, organic, moisture-retentive soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Commonly found in wetlands and marshes

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–45 days
Notes:
Seeds require light for germination. Surface sow on consistently moist substrate. Seeds may exhibit variable dormancy and germination can be erratic.

Pre-treatment: Seed placed in linen bags and soaked in cold running water for 2 days. Bags were placed between layers of shagnum moss which was kept at 2 degrees C (35 degrees F) for thirty days and then seed was sown.

Source: npn.rngr.net