North America Native Plant

Cochise Sedge

Botanical name: Carex ultra

USDA symbol: CAUL

Life cycle: perennial

Habit: grass

Native status: Native to the lower 48 states  

Synonyms: Carex spissa L.H. Bailey var. ultra (L.H. Bailey) Kük. (CASPU)   

Cochise Sedge: A Rare Southwestern Native Worth Seeking Out If you’re looking to add authentic southwestern character to your native garden, Cochise sedge (Carex ultra) might just be the perfect accent plant you’ve been searching for. This unassuming but charming sedge brings a touch of wild desert grassland right to ...

Rare plant alert!

Region: Conservation status by state

Status: S3?: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘

Cochise Sedge: A Rare Southwestern Native Worth Seeking Out

If you’re looking to add authentic southwestern character to your native garden, Cochise sedge (Carex ultra) might just be the perfect accent plant you’ve been searching for. This unassuming but charming sedge brings a touch of wild desert grassland right to your backyard, though finding it might require a bit of detective work.

What Makes Cochise Sedge Special

Cochise sedge is a perennial grass-like plant that forms dense, attractive clumps of narrow, arching leaves. Don’t let its modest appearance fool you – this little sedge packs a lot of personality into its compact form. As a true native of the American Southwest, it’s perfectly adapted to the challenging conditions that make many gardeners throw in the trowel.

You might also see this plant listed under its botanical synonym, Carex spissa var. ultra, but Carex ultra is the accepted name that’ll help you track down seeds or plants from reputable native plant sources.

Where Does Cochise Sedge Call Home?

This sedge has a pretty exclusive address – you’ll only find it naturally growing in Arizona and New Mexico. It’s a true child of the Southwest, thriving in the unique conditions that define this spectacular region.

A Word of Caution: Rarity Matters

Here’s where things get a bit serious. Cochise sedge has a Global Conservation Status of S3?, which means its population status isn’t fully defined but suggests it may be uncommon or rare. If you decide to grow this special sedge, please – and we can’t stress this enough – only purchase from reputable native plant nurseries that ethically source their plants. Never collect from wild populations, as this could harm already vulnerable communities of this plant.

Growing Cochise Sedge in Your Garden

The good news? Once you get your hands on responsibly sourced Cochise sedge, it’s relatively easy to keep happy. This tough little plant thrives in USDA hardiness zones 7-9, making it perfect for much of the Southwest and similar climates.

Ideal Growing Conditions

  • Soil: Adapts to various soil types, from dry to moderately moist
  • Sun: Full sun to partial shade
  • Water: Drought tolerant once established
  • Maintenance: Low – this is a plant it and forget it kind of sedge

Design Ideas and Garden Roles

Cochise sedge works beautifully as an accent plant in native gardens and xeric landscapes. Its clumping habit makes it perfect for:

  • Adding texture contrast among broader-leafed desert plants
  • Creating natural-looking drifts in wildflower meadows
  • Stabilizing slopes with its fibrous root system
  • Filling gaps in rock gardens or between larger shrubs

This sedge is particularly stunning when planted in naturalistic groupings rather than formal rows. Think scattered across the landscape rather than lined up like soldiers.

Wildlife and Pollinator Value

Like most sedges, Cochise sedge is wind-pollinated, so it won’t be buzzing with bees and butterflies. However, it does provide valuable habitat and food for various wildlife species, including birds that appreciate the seeds and small mammals that use the clumps for cover.

The Bottom Line

Cochise sedge is a fantastic choice for gardeners who want to create authentic southwestern landscapes with plants that have true regional character. Its low-maintenance nature and drought tolerance make it a practical choice, while its rarity makes it a conversation starter for fellow native plant enthusiasts.

Just remember: if you decide to add this special sedge to your garden, make sure you’re supporting conservation efforts by purchasing only from reputable sources. Your garden – and wild Cochise sedge populations – will thank you for it.

Cochise Sedge

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Commelinidae

Order

Cyperales

Family

Cyperaceae Juss. - Sedge family

Genus

Carex L. - sedge

Species

Carex ultra L.H. Bailey - Cochise sedge

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA