Carex stricta Tussock Sedge

General

This sedge forms hummocks, or tussocks, from its dead foliage at the end of its growing season, forming large clumps of plant material from which it continues to grow. Tussock sedge is one of the most common sedges in North America, growing mainly in open wet areas with seasonal flooding. Geese and other birds use the hummocks as a nesting site. This sedge is well-adapted to moist to wet soils, including marshes, swamps, stream banks, and pond edges. Its ability to thrive in both sun and partial shade makes it a versatile species within its ecological niche. Tussock sedge plays a crucial role in wetland ecosystems, where it contributes to soil stabilization, erosion control, and water filtration. Its dense root system helps to bind soil particles together, preventing sediment runoff into water bodies.

Plant Description

A 2-4' sedge that will usually have a clump of dead plant material at the bottom. Flowers are inflorescences with separate male and female spikes. The stems are sharp and triangular, with the lance-shaped sheathed narrow leaves growing close to the stem with an alternate growing pattern.

Height (ft)
2-4'

Soil moisture
Moist to wet

Soil types
Variable textures, shallow water

Wetland indicator
OBL

Shade tolerance
Tolerant, Full Sun to Full Shade

Bloom color
Green

Bloom period
Spring

Drought tolerance
Low

Salinity tolerance
None

 

Range

Common throughout the Northeastern United States, from Maine to Pennsylvania and Delaware, and south along the Appalachians to Alabama. West along the Great Lakes to North and South Dakota, and into Wyoming. Disjunct populations in Oklahoma and Texas.

Kartesz, J.T. 2024. Floristic Synthesis of North America, Version 1.0. Biota of North America Program (BONAP) [website http://bonap.org/]

Additional Information