Overview

Carex acutiformis is a clump forming, tufted grass like in the genus Carex, part of the Cyperaceae family, with deciduous foliage. It typically grows around 1-1.5 metres tall and 1-1.5 metres wide, reaching full size in around 2-5 years. Carex acutiformis grows best in full sun and partial shade, and tolerates clay and loam soils and any pH. Its UK hardiness is rated H5. Suggested uses include wildlife gardens, wildflower meadows and low maintenance.

About

Carex acutiformis, commonly known as lesser pond sedge, is a clump-forming, tufted sedge belonging to the genus Carex within the Cyperaceae family. This deciduous, grass-like plant typically reaches 1 to 1.5 metres in height and spread over 2 to 5 years. It thrives in poorly-drained clay or loam soils with a range of pH levels and can grow in full sun or partial shade, favouring south-, west-, or east-facing aspects. Carex acutiformis is suited to both exposed and sheltered locations, making it a versatile choice for aquatic or boggy garden areas with seasonal interest in summer and winter.

About the genus

Carex is a vast genus of over 2,000 species of grass-like plants in the family Cyperaceae, commonly known as sedges. Other members of the family Cyperaceae are also called sedges; however, those of genus Carex may be called true sedges. Carex is the most species-rich genus in the family.

Wikipedia contributors, "Carex", CC BY-SA 4.0Carex

Growing conditions

Best soil and position for Carex

Sunlight
Full sun, Partial shade
Soil type
Clay, Loam
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Poorly-drained
Aspect
South-facing, West-facing, East-facing
Exposure
Exposed, Sheltered
UK hardiness
H5

Plant details

Carex acutiformis size, habit and characteristics

Plant type
Grass Like, Aquatic, Bogs
Habit
Clump forming, Tufted
Foliage
Deciduous
Height
1-1.5 metres
Spread
1-1.5 metres
Time to full height
2-5 years
Suggested uses
Wildlife gardens, Wildflower meadows, Low Maintenance

Care notes

Pruning and caring for Carex acutiformis

Propagation
Seed, Division
Pest resistance
Aphids
Disease resistance
Generally disease-free

Frequently asked questions

Where is the best place to plant Carex acutiformis?

Carex acutiformis prefers full sun and partial shade. It suits exposed and sheltered positions.

What soil does Carex acutiformis need?

Carex acutiformis grows best in clay and loam soil. It is happy in soil of any pH. Aim for soil that stays poorly-drained.

How big does Carex acutiformis grow?

Carex acutiformis reaches a height of 1-1.5 metres and a spread of 1-1.5 metres. It takes around 2-5 years to reach full size.

Is Carex acutiformis hardy in the UK?

Carex acutiformis has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.

How do I propagate Carex acutiformis?

Seed, Division.

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