Wheat Sedge vs Seaside Arrowgrass - TreeTime.ca

Wheat Sedge vs Seaside Arrowgrass

Triglochin maritima

Carex atherodes

CUSTOM GROW

CUSTOM GROW

Seaside Arrowgrass
Wheat Sedge

Seaside Arrowgrass is a native perennial commonly found in wetlands, salt marshes, and moist meadows. It is especially suitable for difficult growing sites. Its dense root system helps stabilize soil, while also providing food, cover, and habitat for small animals within the wetland community.

Seaside Arrowgrass is suitable for shoreline stabilization, wetland restoration, and naturalization projects.

Wheat Sedge is a native perennial sedge commonly found in wetlands, ditches, and along shorelines. It thrives in saturated soils, spreading by rhizomes to form large colonies that stabilize both soils and shorelines. This makes it valuable for wetland and riparian plantings.

Its distinctive, wheat-like seed spikes add seasonal character while providing food for waterfowl, and its dense clumps supply cover and nesting habitat for birds and small animals. Together, these traits make Wheat Sedge an important species for enhancing biodiversity and supporting healthy wetland ecosystems.

Seaside Arrowgrass Quick Facts

Wheat Sedge Quick Facts

Zone: 1b
Zone: 2a
Height: 0.5 m (1.5 ft)
Height: 0.8 m (2.5 ft)
Spread: 0.3 m (1.0 ft)
Spread: 0.5 m (1.5 ft)
Light: full sun
Light: partial shade, full sun
Moisture: wet
Moisture: wet
Growth rate: medium
Growth rate: fast
Life span: short
Life span: short
Growth form: upright, clump-forming
Growth form: upright, colony-forming
Spreading: rhizomes-low, seeds-low
Spreading: rhizomes - high, seeds - low

Toxicity: can be toxic to humans and livestock

Flowers: very small, pinkish-white, hair like
Bloom time: spring to early summer
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no


Native to: AB, BC, SK, MB, ON, QC, NS, NB, NL, YT, NT, NU, PE
Native to: AB, BC, SK, MB, ON, QC, YT, NT
Other Names: common arrowgrass, common bog arrowgrass, shore arrowgrass
Other Names: awned sedge, hairy leaved lake sedge, slough sedge