North America Native Plant

Sedge

Botanical name: Carex ×trichina

USDA symbol: CATR11

Life cycle: perennial

Habit: grass

Native status: Native to Canada âš˜ Native to the lower 48 states  

Growing Sedge in Your Native Garden: A Guide to Carex ×trichina If you’re looking to add authentic native character to your landscape, you might want to consider sedge—specifically Carex ×trichina. This perennial grass-like plant brings a touch of northeastern wilderness right to your backyard, though you’ll need to be a ...

Growing Sedge in Your Native Garden: A Guide to Carex ×trichina

If you’re looking to add authentic native character to your landscape, you might want to consider sedge—specifically Carex ×trichina. This perennial grass-like plant brings a touch of northeastern wilderness right to your backyard, though you’ll need to be a bit of a plant detective to track down information about this particular species!

What Makes This Sedge Special?

Carex ×trichina is a hybrid sedge, which explains why you won’t find it featured in every gardening magazine. The × in its name is botanist-speak for this plant is the result of two parent species getting together. As a member of the sedge family (Cyperaceae), it’s technically a grass-like plant, but don’t let that fool you into thinking it’s just another lawn grass—sedges have their own unique charm and ecological value.

This hardy perennial is truly North American through and through, being native to both Canada and the lower 48 states. You won’t be contributing to any invasive species problems by planting this one—it belongs here!

Where Does It Call Home?

Carex ×trichina has quite specific regional preferences, naturally occurring in Quebec, Maine, Michigan, Labrador, and Newfoundland. This northeastern distribution tells us it’s adapted to cooler climates and likely appreciates the seasonal changes that come with northern living.

The Challenge of Growing a Mysterious Native

Here’s where things get interesting (and slightly frustrating): because Carex ×trichina is a hybrid species with limited commercial cultivation, detailed growing information is surprisingly scarce. This makes it something of a holy grail for native plant enthusiasts—authentic and locally adapted, but requiring some detective work to grow successfully.

What We Can Reasonably Expect

Based on its native range and family characteristics, here’s what you can likely expect from this sedge:

  • Cold hardiness: Given its natural range, it should handle northern winters like a champ
  • Moisture preferences: Most sedges appreciate consistent moisture, so don’t plant it in your driest spot
  • Growth form: Expect a clumping, grass-like appearance typical of sedges
  • Maintenance: Probably low-maintenance once established, like most native plants

Should You Plant It?

The honest answer? It depends on your gardening philosophy and patience level. If you’re someone who loves the idea of growing truly local natives and doesn’t mind some uncertainty, this could be a rewarding challenge. However, if you prefer plants with well-documented growing requirements and reliable availability, you might want to consider other native Carex species that are better studied and more readily available.

Finding and Growing This Elusive Sedge

Your biggest challenge will likely be sourcing this plant. Check with:

  • Native plant societies in the northeastern states
  • Specialty native plant nurseries
  • Botanical gardens with seed exchange programs
  • Local naturalist groups

When you do find it, treat it like you would other northeastern native sedges: provide consistent moisture, partial to full sun, and be patient as it establishes itself in your garden.

The Bottom Line

Carex ×trichina represents both the excitement and challenge of native gardening. It’s a legitimate native species that could add authentic regional character to your landscape, but it comes with the caveat of limited availability and growing information. If you’re up for a bit of horticultural adventure and want to grow something truly special, this sedge might be worth the hunt. Just remember—sometimes the most rewarding garden plants are the ones that make you work a little harder to understand them!

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 ×trichina Fernald [tenuiflora × trisperma] - sedge

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