Sedge (Carex Oshimensis ‘Everillo’)

Plant: Table of Contents

Sedge (Carex oshimensis ‘Everillo’): A Versatile and Beautiful Ornamental Grass

As a plant scientist with a passion for ornamental grasses and landscaping, I am thrilled to delve into the fascinating world of Carex oshimensis ‘Everillo’ commonly known as Everillo sedge. This stunning grass variety is prized for its vibrant golden foliage and its versatile nature, making it a favorite among gardeners and landscape enthusiasts. In this comprehensive guide, we will explore the key aspects of the Everillo sedge, including its cultural requirements, uses, care tips, propagation, common diseases, and much more. Whether you are an experienced gardener or just starting, this guide will provide valuable insights into leveraging the beauty and versatility of the Carex oshimensis ‘Everillo’ in your landscape.

What is Sedge (Carex oshimensis ‘Everillo’)?

Sedge, a common name for plants in the genus Carex, encompasses a diverse group of grass-like plants that are known for their ornamental and ecological value. One standout variety within the Carex genus is Carex oshimensis ‘Everillo’, also known as Everillo sedge. This particular sedge is celebrated for its vivid, golden foliage, which adds a pop of color and texture to garden beds, borders, and containers.

Key Takeaways – Sedge (Carex oshimensis ‘Everillo’)

Before we delve into the specifics, here are the key highlights about the Everillo sedge:

  • Botanical Name: Carex oshimensis ‘Everillo’
  • Common Name: Everillo sedge
  • Foliage Color: Vivid golden to chartreuse
  • Plant Type: Perennial grass-like plant
  • Uses: Groundcover, containers, border edging, and landscaping
  • Attributes: Shade-tolerant, low-maintenance, and deer-resistant
  • Cultural Requirements: Well-draining soil, partial to full shade, regular watering
  • Hardiness Zones: 5-9

Now that we have a brief overview, let’s dive into the specifics of cultivating and caring for this captivating ornamental grass.



Proper watering is crucial for the health and vibrancy of Everillo sedge. While it is essential to keep the soil consistently moist, it is equally important to ensure good drainage to prevent waterlogging. During the growing season, especially in the first year after planting, regular watering is essential. An even layer of mulch around the plant can help in retaining soil moisture, particularly during hot and dry periods.


One of the remarkable qualities of Everillo sedge is its adaptability to different light conditions. It thrives in partial to full shade, making it an excellent choice for shaded areas in the landscape. However, it can also tolerate some morning sun or dappled sunlight. When grown in full sun, it is crucial to ensure an adequate supply of moisture to prevent the foliage from scorching.


Everillo sedge is not particularly heavy feeder. However, to promote healthy growth and vibrant foliage, an annual application of a balanced, slow-release fertilizer in spring is beneficial. A 10-10-10 or 12-12-12 fertilizer can be applied around the base of the plant according to the package instructions. It is essential to avoid excessive fertilization, which can lead to overly lush growth and diminished color intensity.


Well-draining, humus-rich soil is ideal for Everillo sedge. It thrives in slightly acidic to neutral soil with a pH range of 5.5 to 7.0. Amending the soil with organic matter such as compost or well-rotted manure not only improves its texture but also enhances its moisture retention capabilities. A soil pH test can be conducted to ensure the optimal growth conditions for the sedge.


Pruning Everillo sedge is relatively low maintenance, primarily focused on removing any dead or yellowing foliage to maintain its aesthetic appeal. In late winter or early spring, as new growth begins to emerge, the previous season’s foliage can be trimmed back to ground level. It is also an opportunity to inspect the plant for any signs of pest or disease infestation. Regular grooming can help keep the Everillo sedge looking neat and healthy.


Everillo sedge can be propagated through division or from seed, but division is the preferred method for maintaining the true characteristics of the parent plant. Dividing the clumps every 2-3 years in early spring allows for rejuvenation and the creation of new plants. Each division should consist of several stems and an ample root system. Planting the divisions in suitable locations with the right cultural conditions ensures successful establishment.

Container Popularity

The compact and cascading nature of Everillo sedge makes it an excellent choice for container gardening. Its vibrant foliage adds an instant visual impact, making it a popular choice for both mixed container plantings and standalone arrangements. When using Everillo sedge in containers, it is essential to select a well-draining potting mix and provide adequate water and shade to ensure its vitality and aesthetic appeal.


Everillo sedge offers a myriad of landscaping and garden design possibilities due to its striking visual appeal and versatile nature. Here are some common uses for this ornamental grass:

  • Groundcover: Its low-growing and spreading habit makes it an excellent groundcover for shaded areas, filling in spaces between larger plants, or creating visual interest in underutilized portions of the landscape.
  • Border Edging: Everillo sedge’s cascading form and vibrant foliage make it an attractive choice for border edging along pathways, garden beds, or even around trees and shrubs.
  • Container Planting: Its compact nature and vibrant color make it a popular choice for container plantings, providing contrast and texture when combined with other plants.
  • Mixed Borders: The golden foliage of Everillo sedge creates a stunning contrast when planted alongside other shade-loving perennials and shrubs, adding visual interest to mixed borders.

Common Diseases

As with any plant, Everillo sedge is susceptible to certain diseases, although it generally exhibits good resistance to most common ornamental grass ailments. Some potential diseases that may affect Everillo sedge include:

  • Leaf Spot and Blight: Fungal diseases such as leaf spot and blight can occasionally affect the foliage, causing browning, spotting, or wilting. Ensuring good air circulation, avoiding overhead irrigation, and prompt removal of infected plant material can help prevent the spread of these diseases.
  • Root Rot: Overly wet or poorly drained soil can lead to root rot in Everillo sedge. Maintaining well-draining soil and avoiding waterlogged conditions is crucial to preventing this disease.

Disease Diagnosis

Identifying and diagnosing diseases affecting Everillo sedge involves careful observation of the plant’s symptoms. If the plant exhibits unusual discoloration, spots, or wilting, it is essential to inspect the foliage and soil for signs of disease. Collecting and submitting samples to a plant diagnostic laboratory or consulting with a local extension service can aid in accurate disease diagnosis and the implementation of appropriate management strategies.

Common Pests

While Everillo sedge is generally resilient against pest infestations, certain insects may occasionally pose a threat to its health. Some common pests that may affect this ornamental grass include:

  • Aphids: These sap-feeding insects may infest the foliage, leading to stunted growth and distorted leaves. Applying horticultural oil or insecticidal soap can help manage aphid populations.
  • Slugs and Snails: These pests can cause damage to the leaves of Everillo sedge, particularly in moist and shaded environments. Employing cultural methods such as beer traps or barriers, as well as chemical controls, can help mitigate slug and snail damage.

Botanist’s Tips

Based on my expertise and experience with ornamental grasses, here are some valuable tips for optimal care and cultivation of Everillo sedge:

  1. Planting Location: Choose a shaded or partially shaded location with well-draining soil for planting Everillo sedge. It prefers moist, but not waterlogged, conditions.
  2. Mulching: Applying a layer of organic mulch around the base of the plant helps retain soil moisture and suppress weed growth, benefiting the overall health of the sedge.
  3. Foliage Maintenance: Regular removal of dead or yellowing foliage helps maintain the attractiveness and vigor of Everillo sedge, especially when newly emerging growth appears in spring.
  4. Division: Periodic division of the plant rejuvenates its growth and vitality, and also offers the opportunity to propagate new plants for expanding its presence in the landscape.
  5. Pest and Disease Monitoring: Routinely inspect the foliage for signs of pest infestation or disease, taking proactive measures to address any issues and maintain the plant’s health.

Fun Facts

To add a touch of intrigue and fascination, here are some intriguing and fun facts about Everillo sedge:

  • Color Symbolism: The vibrant golden foliage of Everillo sedge symbolizes prosperity, optimism, and vitality, adding a visual and symbolic dimension to garden landscapes.
  • Versatile Design Element: Its cascading and compact growth habit makes Everillo sedge a versatile design element, suitable for various garden styles ranging from traditional to contemporary.
  • Wildlife Support: The dense and low-growing nature of Everillo sedge provides cover and habitat for small wildlife such as insects and amphibians in garden settings.

Links to External Resources

For further information and insights into the cultivation and uses of Everillo sedge, here are some valuable external resources:

In conclusion, Carex oshimensis ‘Everillo’ stands out as a captivating and versatile ornamental grass with its golden foliage and adaptability to various garden settings. Whether used as a groundcover, border edging, or a container specimen, this sedge adds a distinct charm to landscapes and provides ample opportunity for creative and beautiful garden designs. With the right cultural practices and attention to its unique attributes, the Everillo sedge can thrive and enliven garden spaces with its radiant presence.


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Peter Taylors

Expert botanist who loves plants. His expertise spans taxonomy, plant ecology, and ethnobotany. An advocate for plant conservation, he mentors and educates future botanists, leaving a lasting impact on the field.