Grey Sedge (Carex divulsa)

Photo: zebedeugalinhaCC BY 4.0via iNaturalistresized / cropped

Grey Sedge Plant Care

Carex divulsa Stokes

Updated · Sources · How we source care data

This plant features long, arching leaves that form a cascading mound, adding a unique texture to any garden. Originating from Europe, Carex divulsa is highly sought after by plant collectors for its graceful appearance and ability to thrive in a variety of conditions. Its vibrant green color and low-maintenance nature make it a popular choice for adding visual interest to landscapes.

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Water

Every 3–7 days

Light

Part shade to full shade

Temp

50–80°F

Humidity

40–60%

At a glance

How do you care for Grey Sedge?

Water Grey Sedge every 3–7 days, letting the top layer of soil dry out between waterings, and give it part shade to full shade. It prefers temperatures of 50–80°F (10–27°C) and 40–60% humidity. Fertilize it every month during the growing season.

Where Is the Grey Sedge Native To?

Native range110 countries

What Is the Grey Sedge?

Grey Sedge (Carex divulsa) belongs to the Cyperaceae family within the Carex genus. Grey Sedge is native to Macaronesia, Europe, northwest Africa, the Caucasus region, and the Middle East as far east as Turkmenistan. Grey Sedge is also known as Field Sedge.

Grey Sedge displays a grass-like clumping growth habit, reaching up to 1 ft tall with a spread of approximately 2 ft. Grey Sedge produces inconspicuous brown or green spikes.

Leaf size: approximately 10 inches.

How Often Should You Water a Grey Sedge?

Carex divulsa requires watering every 3–7 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.

Watering Frequency

Every 3–7 days

Let soil partially dry between waterings

What Light Does the Grey Sedge Need?

Grey Sedge thrives in part shade to full shade. Avoid placing Grey Sedge in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Part shade to full shade

What Temperature and Humidity Does the Grey Sedge Prefer?

Carex divulsa grows best at temperatures of 50–80°F. Grey Sedge prefers humidity levels of 40–60%.

Temperature

50–80°F

Humidity

40–60%

What Soil Mix Works Best for a Grey Sedge?

Moist, well-draining soil with high organic matter content. Good drainage is essential for Grey Sedge to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Grey Sedge?

Feed Grey Sedge every month during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.

Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.

Fertilizing

Every month

During the growing season

The PlantoScan app can remind you when to water and when to fertilize each plant.

How Do You Repot a Grey Sedge?

Divide and repot every 2-3 years in spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.

How Do You Propagate a Grey Sedge?

Grey Sedge can be propagated through division, seed. Similar propagation techniques also apply to white-leaved sedge plant care, which shares the same genus.

Is the Grey Sedge Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Grey Sedge, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.

This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.

See all plants toxic to cats and plants toxic to dogs.

What Pests and Diseases Affect the Grey Sedge?

Grey Sedge is susceptible to aphids, spider mites. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.

What USDA Hardiness Zone Does the Grey Sedge Need?

Grey Sedge grows outdoors in USDA Zone 4a – 9b. It survives winters down to planting zone 4a. Grey Sedge is native to Macaronesia, Europe, northwest Africa, the Caucasus region, and the Middle East as far east as Turkmenistan.

Hardiness Zone

Zone 4a – 9b

Keep exploring plants

Grey Sedge is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.

It belongs to the Carex genus — compare its care with other Carex species on PlantoScan.

Carex is part of the Cyperaceae plant family — browse all Cyperaceae genera and species.

Grey Sedge copes with lower light than most plants — browse the full list of low-light plants.

More Carex Species

Other Carex species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Sources

  • Scientific name & taxonomy: Carex divulsa Stokes, family Cyperaceae (first published in Bot. Arr. Brit. Pl. ed. 2 , 2: 1035 (1787)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Grey Sedge, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
  • Photo: zebedeugalinha, CC BY 4.0, iNaturalist — original.
  • Hardiness zone: USDA Zone 4a – 9b, estimated from the plant's typical growing conditions.
  • Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.

Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.

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