Swan's sedge (Carex swanii)

Swan's sedge

Swan's sedge is a clump-forming, water-loving species that is often grown ornamentally in mass plantings to fill out moist areas like the edges of ponds. The plant was named Swan's sedge after the botanist Charles Walter Swan (1838-1921). It is often mistaken for other sedge species like Carex virescens, but you can tell swan's sedge apart by its narrow stems and upright growth.

Scientific classification

Species

Swan's sedge (Carex swanii)

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 91 cm

Plant Height

5 - 32 ℃

Ideal Temperature

Images of Swan's sedge

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 Swan's sedge

Every week

Water

Full sun

Sunlight

5 - 32 ℃

Ideal Temperature

Water: Swan's sedge thrives in moist environments and requires consistent hydration. It prefers evenly moist soil and should be watered weekly. Commonly grown outdoors, it benefits from rainfall. As a sedge, adequate moisture during the growing season is essential to mimic its natural habitat.

Fertilize: For swan's sedge, annual spring fertilization with organic mulch or compost is beneficial for growth and resilience. Apply a 2-3 inch layer around the base, avoiding stem contact. Over-fertilization can hinder form, so moderation is crucial, especially during dormancy.

Pruning: Swan's sedge is a hardy perennial suited for ground cover. Early spring pruning of dead foliage and cutting back old stems promotes new growth and denser foliage. Regular maintenance prevents overcrowding and preserves ornamental value, ensuring a healthy plant.

Propagation: Swan's sedge is effectively propagated through division, preserving genetic integrity. Early separation of root clumps encourages recovery and growth post-transplant, making this method suitable for both experienced gardeners and novices, facilitating the integration of swan's sedge into various plantings.

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 Swan's sedge

Plant disease auto-diagnose & prevention

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

Download the App for Free