Sedges resemble grasses in appearance, although they belong to the Cyperaceae family and are not real grasses. The genus Carex contains the majority of the plants we term sedges in the trade. It is distinguished by its color, texture, and cultural adaptability variation. Download our Carex Comparison Chart to see a side-by-side comparison of the Carex we provide.
The majority of the Carex we grow fall into one of three categories. Sedges from Asia are shade-tolerant and frequently variegated. Their vibrant color provides brightness and depth to shady areas, and almost all of them work well in containers. In mild climates, many are evergreen. Despite the fact that most sedges aren’t produced for their flowers, Asian species’ blooms are often more noticeable than those from other regions of the world.
Sedges from New Zealand can withstand more sun and give zing to any garden. C. buchananii ‘Red Rooster’ has a rich red-bronze foliage that shines out against the green foliage of other plants. The interesting orange-tipped leaves of Carex testacea ‘Prairie Fire’ also comes from New Zealand.
Sedges from North America have gotten a lot of attention lately for a variety of reasons. They’re a great alternative to regular lawns or as a living mulch, especially in shaded areas. Restoration initiatives, naturalizing, and green infrastructure features like bioretention and bioswales all benefit from them. Sedges native to the United States are a diverse bunch, and there is likely to be one that matches practically any set of cultural circumstances.
Start with our Sedges Make Sense blog series to learn how sedges might benefit your growing program or landscape project.
What does Carex grass look like?
Carex laxiculmis (Spreading Sedge) is a tiny evergreen sedge with slender, arching, blue-green leaves up to 12 inches long that create thick spherical mounds (30 cm). It has modest creamy-white flowers atop triangular blooming stalks from late spring to early summer. Spreading Sedge, which is native to densely wooded parts of eastern North America, can be utilized as a ground cover or accent in damp woodland gardens, shady perennial beds, or containers.
How tall does Carex grow?
“It don’t get no respect,” says Carex (sedge), the Rodney Dangerfield of shady ornamental grasses for sale. Sedge is sometimes confused with other ornamental grasses in landscape design, although Carex is a grass-like plant in the Cyperaceae family, not a grass. We prefer sedges because of their fine textured leaves, leaf color / variegation, and the fact that Carex enhances the local ecosystem by providing food and shelter for insects and birds.
Sedge is a mainly evergreen “ornamental grass” that gives dramatic form to the garden, with narrow or wide leaves that mix in well texturally. Sedges are easy-to-grow shade perennials for the woodland garden, and many are native to the United States. There are around 2000 sedge species, therefore there is bound to be one for most garden settings, including shade/moist (many), shade/dry (some), and sun/moist (some) (a few). We attempt to carry a wide variety of Carex products for sale at Plant Delights, including the popular Evercolor series brands ‘Everillo,’ ‘Everlime,’ ‘Eversheen,’ and ‘Everest.’
Sedge grass is an excellent choice for lining walkways and filling open areas in a woodland garden. Carex can be used to replace liriope and ophiopogon in shadier areas, but it requires more consistent water than they do. Some sedges clump together, while others spread by rhizomes. Carex foliage comes in a variety of colors, including green, blue, gold/orange, and variegated. Carex plants grow in arching mounds ranging in height from 10 inches to more than 3 feet tall. Sedges are also fantastic container plants, although they are less tolerant of moisture swings than other grasses…carex health is harmed by being too wet or too dry. A few sedge species (such as C. texensis, C. pennsylvanica, and others) can also be used as a lawn alternative.
Most carex perform best when cultivated in a damp environment, while a few are drought-tolerant. Sedges are tolerant of neglect and deer resistance, and they also attract butterflies. Carex contributes to the ecosystem’s health by generating pollen and tiny seeds that provide food for birds and insects. Wildlife often uses the tufted leaves as a refuge.
With just a few growing recommendations, Carex health may be easily maintained. Keep them moist all the time, but don’t overwater them in the summer when their growth slows. Waterlogged soils are detrimental to the health of Carex and can lead to root rot. Carex health deteriorates when soils are too dry for an extended period of time, and the plants begin to look ragged. If this occurs, cut the sedge plant back and resume watering; the health and beauty of the plant will improve.
Instead of decorative grass, sedge is a better choice for a shady location.
How do you maintain Carex grass?
The majority of carex prefer moist soil in the sun or mild shade. Some people favor damp soil, while others prefer acid dirt. When grown in the sun, bronze-leaved cultivars provide their best leaf color.
Is Carex grass Hardy?
Many of them are valuable evergreen foliage plants, while others are delicate blooming varieties. Carex is suitable for all soil types, from shallow water to pure sand, contrary to popular belief.
Carex is a genus in the Cyperaceae family, not a real grass.
Most members of the Cyperaceae have flower stems with a more-or-less triangular cross-section, which is the easiest (but not surefire) way to tell them apart from genuine grasses.
The flower stalks of most genuine grasses have a spherical, hollow cross section.
Many Carex varieties are employed as evergreen groundcovers or edging plants, and many of the low-growing, variegated varieties are native to Japan, where they have been utilized in traditional Japanese gardens with Ophiopogon and Liriope.
There are also a variety of fresh to deep green leafed varieties, including British native plants, that can serve the same purpose.
New Zealand’s predominantly brown-leaved species and forms are on the other end of the range.
These plants prefer full light, yet they may grow in a variety of soils from moist to dry.
The fact that most of these “dead sedges” have evergreen (brown) leaves makes them vulnerable to intense cold in the winter, with many only hardy to -10oC, is a limiting issue.
How do you identify Carex?
For reliable identification, Carex plants must have ripe seeds. The underground organs and the basal sections of the stems must also be examined. The color of the leaf sheath, the presence or absence of blades, and the form of the sheath as it disintegrates can all be observed at the plant’s base. To assess whether the plants are rhizomatous or clumped, look at their underground organs.
What is eating my Carex?
Many species of wildlife eat the seeds of native sedges, including ducks, grouse, wild turkeys, sandpipers, and sparrows, to mention a few. Caterpillars and tiny mammals use them as a food source. Sedges give an early meal before most native grasses grow in the spring since they bloom in the spring. Carex pensylvanica hosts 36 species of caterpillars in the Mid-Atlantic region, according to Rick Darke and Doug Tallamy’s book The Living Landscape. C. flaccosperma, C. laxiculmis, C. stricta, and C. vulpinoidea are also vulpinoidea. Others, such as C. plantaginea, serve as skipper larval hosts.
For birds and other animals, the foliage of sedges provides vital cover and nesting grounds. Wood ducks build their nests in the trees above sedges, using the sedge leaves to cushion their fledglings’ landings during flying lessons.
Check read our post “Grasses & Sedges Host Butterflies, Too” for more information on the role of sedges and grasses in pollinator assistance.
How do you take care of Carex?
Plant Care for Carex Sedge prefers part shade and moist, well-drained soil. Carex is a low-maintenance plant that requires little to no food. In the early spring, cut back by 1/3 or simply pull off dead blades to freshen up the appearance. The optimal time to divide is in the spring.
Do you cut back Carex?
Size: The majority of kinds are 1 to 3 feet tall and wide, while some can grow up to 5 feet tall and wide.
Care: In hot climates, Carex prefers full sun with occasional shade. Water requirements vary, but most plants benefit from moderate to regular irrigation.
Carex can be planted whenever the ground can be worked. When required, cut or comb out dead foliage, then trim back by up to one-third in late winter or early spring to restructure and invigorate plants. To discourage unwanted reseeding, cut back blooming kinds after bloom. In the fall, winter, or spring, divide clumps that aren’t performing well.
Carex pairs well with ornamental grasses like Miscanthus, fountain grass, and fescue, as well as phormium, heuchera, and annuals like pansies in the chilly season and million bells in the summer season.