North America Native Plant

Sedge

Botanical name: Carex ×mirata

USDA symbol: CAMI51

Life cycle: perennial

Habit: grass

Native status: Native to Canada  

Carex ×mirata: The Elusive Canadian Sedge Worth Knowing About If you’ve stumbled across the name Carex ×mirata while exploring native sedges, you’ve discovered one of Canada’s more mysterious grasses. This perennial sedge, native to Ontario, represents an intriguing piece of the native plant puzzle – though it might not be ...

Carex ×mirata: The Elusive Canadian Sedge Worth Knowing About

If you’ve stumbled across the name Carex ×mirata while exploring native sedges, you’ve discovered one of Canada’s more mysterious grasses. This perennial sedge, native to Ontario, represents an intriguing piece of the native plant puzzle – though it might not be the easiest addition to your garden wishlist.

What Makes This Sedge Special

Carex ×mirata belongs to the sedge family, those wonderfully diverse grass-like plants that often get overlooked in favor of their showier flowering cousins. The × in its name tells us something important: this is a hybrid sedge, meaning it’s the result of two different Carex species crossing paths in nature. These natural hybrids are like botanical unicorns – fascinating when you find them, but not always easy to track down.

Where You’ll Find It (Or Won’t)

This sedge calls Ontario, Canada home, making it a true northern native. Its limited geographic range adds to its mystique, but also presents challenges for gardeners hoping to add it to their landscapes.

The Reality Check: Why This Might Not Be Your Next Garden Star

Here’s where we need to have an honest conversation. While Carex ×mirata sounds intriguing, there’s precious little information available about its cultivation, growing requirements, or even its appearance. This isn’t necessarily because it’s a difficult plant – it’s more likely because it’s either quite rare in the wild or hasn’t caught the attention of the horticultural world yet.

What We Do Know

As a perennial sedge, Carex ×mirata likely shares some common characteristics with its sedge relatives:

  • Grass-like appearance with narrow leaves
  • Clumping or spreading growth habit
  • Tolerance for various moisture conditions
  • Generally low-maintenance once established

Better Alternatives for Your Garden

If you’re drawn to the idea of growing a Canadian native sedge, consider these more readily available options that will give you similar benefits:

  • Carex pensylvanica (Pennsylvania sedge) – Great for dry shade
  • Carex stipata (Awl-fruited sedge) – Excellent for wet areas
  • Carex vulpinoidea (Fox sedge) – Adaptable to various conditions

These alternatives offer the ecological benefits of native sedges – supporting wildlife, preventing erosion, and adding natural texture to your landscape – while being much easier to source and grow.

The Bottom Line

While Carex ×mirata represents an interesting piece of Ontario’s native flora, it’s not practical for most home gardeners. The lack of available cultivation information and limited commercial availability make it more of a botanical curiosity than a garden staple. Your time and energy might be better invested in other native sedges that offer similar ecological benefits with much better growing guidance and plant availability.

Sometimes the most interesting plants are the ones we admire from afar while we nurture their more accessible cousins in our own backyards. And there’s absolutely nothing wrong with that approach – you’ll still be supporting native ecosystems and creating beautiful, sustainable landscapes.

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 ×mirata Dewey (pro sp.) [atherodes × lupulina] - sedge

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