North America Native Plant

Guadalupe Mountain Sedge

Botanical name: Carex mckittrickensis

USDA symbol: CAMC

Life cycle: perennial

Habit: grass

Native status: Native to the lower 48 states  

Guadalupe Mountain Sedge: A Rare Texas Native Worth Protecting Meet Guadalupe Mountain sedge (Carex mckittrickensis), one of Texas’s most exclusive botanical residents. This rare perennial sedge calls the Guadalupe Mountains home and represents a true treasure of North American native flora. If you’re thinking about adding this plant to your ...

Rare plant alert!

Region: Conservation status by state

Status: S1S2: Status is uncertain but is somewhere between the following rankings: Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘

Guadalupe Mountain Sedge: A Rare Texas Native Worth Protecting

Meet Guadalupe Mountain sedge (Carex mckittrickensis), one of Texas’s most exclusive botanical residents. This rare perennial sedge calls the Guadalupe Mountains home and represents a true treasure of North American native flora. If you’re thinking about adding this plant to your garden, there’s quite a story—and some important considerations—to explore first.

A Texas Original with a Tiny Range

Guadalupe Mountain sedge is a native plant species found exclusively in Texas, making it a true endemic treasure. This grass-like perennial belongs to the sedge family (Cyperaceae), which gives it that distinctive appearance that sets it apart from true grasses. Its extremely limited geographical distribution means you won’t find this plant growing wild anywhere else in the world—talk about Texas pride!

Rarity Alert: Handle with Care

Here’s where things get serious: Carex mckittrickensis has a Global Conservation Status of S1S2, indicating it’s quite rare and potentially vulnerable. This means if you’re considering growing this sedge, you absolutely must source it responsibly. Never collect plants from the wild—this could harm already fragile populations. Instead, seek out reputable native plant nurseries that propagate their stock from ethical sources.

What Makes This Sedge Special?

As a member of the sedge family, Guadalupe Mountain sedge offers that classic grass-like appearance that many gardeners love. Sedges are fantastic alternatives to traditional turf grasses, often requiring less water and maintenance while providing excellent habitat value. This perennial plant has the staying power to establish itself as a long-term garden resident.

Wetland Connections

Interestingly, this sedge has a Facultative Wetland status in both the Arid West and Great Plains regions. This classification means it usually grows in wetland conditions but can also thrive in non-wetland environments. This adaptability could make it valuable for gardeners dealing with variable moisture conditions—though again, availability is the main limiting factor.

Garden Suitability and Growing Considerations

Given its wetland associations and Texas origins, Guadalupe Mountain sedge would likely prefer:

  • Consistent moisture without waterlogging
  • Well-draining soil that doesn’t dry out completely
  • Protection from extreme heat in southern climates
  • Conditions that mimic its mountain habitat

The Reality Check: Availability and Ethics

Let’s be honest—finding Guadalupe Mountain sedge for your garden will be challenging, if not impossible. Its rarity means it’s primarily of interest to botanical gardens, conservation programs, and serious native plant collectors. Most gardeners would be better served by choosing more readily available native sedges that can provide similar aesthetic and ecological benefits.

Better Alternatives for Most Gardens

If you’re drawn to native sedges for your Texas landscape, consider these more available options:

  • Texas sedge (Carex texensis)
  • Meadow sedge (Carex prairea)
  • Pennsylvania sedge (Carex pensylvanica)

These alternatives can give you that wonderful sedge look while being much easier to source and grow responsibly.

Supporting Conservation

Even if you can’t grow Guadalupe Mountain sedge in your garden, you can still support its conservation by choosing native plants in general, supporting botanical gardens and conservation organizations, and spreading awareness about rare plant conservation. Every native plant we grow helps create corridors and habitat for wildlife while preserving our natural heritage.

Remember, the best garden plants are often the ones that are both beautiful and readily available through sustainable sources. While Guadalupe Mountain sedge represents an important piece of Texas’s botanical diversity, there are plenty of other native sedges and grasses that can bring similar beauty to your landscape without the conservation concerns.

Guadalupe Mountain 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 mckittrickensis P.W. Ball - Guadalupe Mountain sedge

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