Blue sedge (Carex glaucodea)

Blue sedge

Blue sedge is a perennial sedge typically found in moist, open woodlands and meadows. It displays blue-green, grass-like leaves that lend it a distinctive, glaucous appearance. The plant forms dense clumps and showcases brownish flower spikes in late spring to early summer. Blue sedge's hardy nature allows it to thrive in various conditions, often contributing to soil stabilization with its fibrous root system.

Scientific classification

Species

Blue sedge (Carex glaucodea)

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

10 - 35 ℃

Ideal Temperature

Images of Blue 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 Blue sedge

Every week

Water

Partial sun

Sunlight

10 - 35 ℃

Ideal Temperature

Water: Blue sedge prefers moist environments similar to its woodland origins, requiring consistent moisture without waterlogging. Regular weekly watering maintains its health. It thrives outdoors, benefiting from natural wet-dry cycles, crucial for its evergreen foliage and stability throughout the year.

Fertilize: Blue sedge benefits from annual mulch or compost to enhance soil quality and support natural growth. Apply lightly around the base, avoiding stems. Fertilization adjustments may be needed during spring growth, keeping an eye on blue sedge's response to avoid over-fertilization and ensure safety.

Pruning: Blue sedge has slender, blue-green foliage, forming clumps that enhance garden texture. Prune in early spring to remove dead leaves and encourage growth. Regular trimming promotes denser growth and prevents overcrowding, enhancing both the aesthetic and health of blue sedge.

Propagation: Blue sedge is propagated through division by carefully separating clumps of roots. Ensure each section has healthy roots, and replant immediately in moist, well-drained soil to prevent drying out. This method maintains genetic consistency and quickly establishes new plants.

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 Blue sedge

Plant disease auto-diagnose & prevention

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

Download the App for Free