Water sedge (Carex aquatilis)

Water sedge

Also known as: Sitka sedge

Water sedge (*Carex aquatilis*) is a cold-loving grass that grows in habitats throughout the Northern Hemisphere. This grass grows well on degraded soil and is used to re-vegetate land that has been used for harvesting peat. This specialist grass grows in a dense mat and is particularly tolerant of low oxygen soils.

Scientific classification

Species

Water sedge (Carex aquatilis)

Grasses, sedges and allies

Instantly identify plants with a snap

Snap a photo for instant plant ID, gaining quick insights on disease prevention, treatment, toxicity, care, uses, and symbolism, etc.

Download the App for Free

Perennial

Lifespan

Grass

Plant Type

Spring, Summer

Bloom Time

30 cm to 1.2 m

Plant Height

Yellow, Green, Red, Brown

Flower Color

Evergreen

Leaf type

Images of Water sedge

Attributes of Water sedge

Growth Rate

During its active growing season in summer, water sedge exhibits a moderate growth rate, which aids in a controlled expansion in size and robustness. This rate optimizes its water absorption, leading to continuous leaf production. However, growth rates may decelerate in other seasons. An intriguing horticultural point: water sedge's balanced growth speed in summer ensures its adaptation to aquatic environments.

Distribution of Water sedge

Distribution Map

Water sedge is a wetland sedge widely native to the temperate and subarctic regions of the Northern Hemisphere. It flourishes naturally in a broad range encompassing northern Europe, parts of Central Europe, and northern Asia. Outside its native range, water sedge has not been widely reported as introduced or cultivated.

Native

Cultivated

Invasive

Introduced

No species reported

Discover plant distribution and habitat

Gain insights into where plants thrive and how they adapt, helping you identify, cultivate, and protect them with essential information on habitats, distribution maps, and climate trends.

Download the App for Free

Habitat

Wet meadows and shallow water at northern latitudes or mid- to high-elevations

Hemisphere Trend Curve

Northern

Sorthern

Culture

Interesting Facts

In 1754, Lin Nai founded the true sedge genus. True sedge is also one of the main components of the flora in China. It is the dominant grass species in the lowest forest layer in many areas. In some forests, the lower vegetation is mostly true sedge.

Get quick plant knowledge with a snap

Snap a photo for instant plant identification and learn about its name, symbolism, interesting facts, uses, and more.

Download the App for Free

Care Guide for Water sedge

Every week

Water

Full sun

Sunlight

10 - 35 ℃

Ideal Temperature

Water: Originating from wetlands, water sedge thrives in moist environments and tolerates waterlogged soils. It requires moderate watering, ideally weekly, and is well-suited for outdoor cultivation. Commonly found near ponds or streams, water sedge contributes to ecosystem stability by filtering runoff and offering habitat.

Fertilize: Applying a 1-2 inch layer of organic compost in spring enhances the growth of water sedge, mimicking its natural nutrient cycle. Avoid over-fertilization to maintain root health. Spread compost evenly around the plant during its active growing phase, preventing direct contact with the base.

Pruning: Recognizable by its slender leaves, water sedge thrives with proper pruning, specifically of old stems in early spring. This technique promotes new growth, minimizes dieback, and enhances both the plant's appearance and its ecological role in wetland habitats, leading to denser foliage.

Propagation: The perennial water sedge flourishes in wetlands, characterized by a clumping growth habit. To propagate, divide established clumps, ensuring divisions have adequate roots. Use a sharp spade for separation, replanting quickly to reduce stress. Maintain moist, nutrient-rich soil for successful establishment.

Get tips and tricks for your plants.

Keep your plants happy and healthy with our guide to watering, lighting, feeding and more.

Download the App for Free

Learn More About Water sedge

Sunlight Requirements

Plant disease auto-diagnose & prevention

AI-powered plant doctor helps you diagnose plant problems in seconds.

Download the App for Free