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Bastard grass

Bastard grass

Carex uncinata · Cyperaceae

🌿 Common garden plant

📷 Ghislain118 (AD) http://www.fleurs-des-montagnes.net · CC BY-SA 3.0

ExposurePartial shade
WateringModerate watering
Hardiness~-25 °C
Mature size~40 cm
CareEasy
Bloomingfrom June to July

The gardener's calendar

The right move for September

Ideal time to plant bastard grass: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.

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ID card

Foliage
Persistent, fine and linear
Flowering
June to July
Adult size
Approximately 40 cm in height
Growth
Moderate
Hardiness
Good, suited to temperate regions
Origin
Mountainous regions of Europe
Soil type
Well-draining, slightly moist
Form
Herbaceous tuft

✓ Taxonomy verifiedSource: AI estimate · hardiness: reliability medium.

Expert tips

✓ Taxonomy verified

The key tip

Carex uncinata appreciates regular moisture and partial shade. Low maintenance once established.

The common mistake

Planting in full blazing sun: the foliage whitens and deteriorates.

The pro's trick

Pair it with other shade-loving plants: it creates subtle textural contrast and fills gaps without being aggressive.

Care

Watering

Hooked Sedge appreciates constantly fresh but well-draining soil. Water regularly during the growing season, especially during prolonged drought. In winter, reduce watering but don't let the substrate dry out completely.

Light Exposure

This sedge tolerates partial shade well and develops ideally under these conditions. It can handle partially sunny exposure, but dislikes direct sun during the hottest hours. Choose a location sheltered from drying winds.

Soil

Prepare a substrate rich in organic matter, well-structured and permeable. A mix containing peat or mature compost works very well. This species appreciates slightly acidic to neutral soils and fears permanent waterlogging.

Fertilizing

A moderate application of balanced fertilizer in spring is generally sufficient. For potted plants, apply diluted fertilizer every two months during the growing period. Avoid excess which could weaken the plant.

Pruning and Cleaning

Regularly remove dead or damaged leaves to maintain the tuft's appearance. At the end of winter, you can trim the plant back lightly if it shows frost damage. This pruning promotes foliage renewal.

Diseases and Pests

Hooked Sedge is generally hardy and not very susceptible to pests. Watch for rust appearing in case of excessive moisture. Good drainage and proper air circulation around the plant prevent most fungal problems.

Did you know?

Hooked Sedge gets its name from the characteristic hooked shape of its female spikelets, distinctively curved like a hook. Sedges are among the most diverse and adaptable plants in world flora, with over 2000 species distributed across all continents except Antarctica.

Where to buy it

Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.

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Tips generated and checked by Viridia — adapt them to your local climate.