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Carex riparia
Greater Pond-sedge
Carex riparia
Carex riparia, also known as Greater Pond Sedge, is a robust, rhizomatous perennial sedge native to Europe and parts of Asia. It thrives in wet environments like pond edges, marshes, and riverbanks. It features tall, upright stems and broad, coarse leaves, forming dense clumps. This sedge provides valuable habitat and erosion control in wetland areas.
CategoryDetails
Plant TypePerennial plant
Estimated Plant Lifespan10 years lifespan
Sun Requirements4-6 hours direct sunlight (Partial Sun)
Pollination

Method: Wind

Watering Requirements

Method: Top water

Frequency: Keep soil consistently moist, especially during dry periods.

Notes: Carex riparia thrives in wet conditions and tolerates standing water.

Humidity Requirements

Level: Moderate to High

Care InstructionsRemove dead or damaged foliage in late winter or early spring to encourage new growth. Divide clumps every few years to maintain vigor.
Temperature Range

Min: -15°C

Max: 30°C

Iris versicolor
northern blue flag
Iris versicolor
Both prefer similar wet conditions and create a visually appealing contrast in foliage and flower color.
Lythrum salicaria
purple loosestrife
Lythrum salicaria
Provides pollinator habitat and complements the textural quality of Carex riparia with its upright habit.
Typha latifolia
broadleaf cattail
Typha latifolia

Typha latifolia can be overly aggressive and outcompete Carex riparia for space and resources in wetland habitats due to its rapid growth and spread.

Phragmites australis
common reed
Phragmites australis

Phragmites australis is highly competitive and can aggressively spread, potentially displacing Carex riparia by monopolizing sunlight, water, and nutrients.

Aphids

Aphids are small, sap-sucking insects that can infest Carex riparia. They cause stunted growth, leaf curling, and honeydew production, which can lead to sooty mold.

Spider Mites

Spider mites are tiny arachnids that cause yellowing or bronzing of the leaves. They thrive in dry conditions and can weaken the plant.

Steps:

    • Divide established clumps in early spring or fall.
    • Carefully dig up the entire clump.
    • Separate the clump into smaller sections, ensuring each section has healthy roots and shoots.
    • Replant the divisions in a prepared area with moist soil.
    • Water thoroughly after planting.

Neem Oil

Effective against aphids and spider mites.

Diatomaceous Earth

Can be used as a soil amendment and natural pest control.