North America Native Plant

Sedge

Botanical name: Carex ×massonii

USDA symbol: CAMA62

Life cycle: perennial

Habit: grass

Native status: Native to Canada  

Carex ×massonii: The Mysterious Quebec Sedge If you’ve stumbled across the name Carex ×massonii in your native plant research, you’ve discovered one of gardening’s more enigmatic characters. This perennial sedge, native to Canada, represents the kind of plant that makes even experienced gardeners scratch their heads and reach for their ...

Carex ×massonii: The Mysterious Quebec Sedge

If you’ve stumbled across the name Carex ×massonii in your native plant research, you’ve discovered one of gardening’s more enigmatic characters. This perennial sedge, native to Canada, represents the kind of plant that makes even experienced gardeners scratch their heads and reach for their reference books.

What Makes This Sedge Special (And Elusive)

Carex ×massonii is what botanists call a hybrid sedge – that little × in the name is your clue that this plant is the result of two sedge species getting together and creating something new. Found in Quebec, this grass-like perennial belongs to the sedge family (Cyperaceae), which means it’s got that distinctive triangular stem that sedge enthusiasts know and love.

Geographic Distribution

This particular sedge calls Quebec home, making it a true Canadian native. Its limited geographic range is part of what makes it such an intriguing find for native plant enthusiasts who happen to be in the right place at the right time.

The Challenge of Growing Carex ×massonii

Here’s where things get interesting (and a bit frustrating): reliable information about growing Carex ×massonii is surprisingly scarce. This hybrid sedge appears to be either extremely rare or simply hasn’t received much attention from the gardening and botanical communities. What we do know is that it’s a perennial with the characteristic grass-like appearance of the sedge family.

Should You Try to Grow It?

The honest answer is that most gardeners probably shouldn’t actively seek out this particular sedge, and here’s why:

  • Limited availability: You’re unlikely to find it at your local nursery
  • Unknown growing requirements: Without detailed cultivation information, success would be largely guesswork
  • Questionable garden performance: We simply don’t know how it behaves in cultivation

Better Sedge Alternatives for Your Garden

If you’re drawn to the idea of native sedges in your landscape (and you should be – they’re fantastic plants!), consider these well-documented alternatives that will give you reliable results:

  • Pennsylvania Sedge (Carex pensylvanica) – excellent for dry shade
  • Fox Sedge (Carex vulpinoidea) – great for wet areas
  • Bladder Sedge (Carex intumescens) – perfect for rain gardens

The Bigger Picture: Why Sedges Matter

While Carex ×massonii might be too mysterious for most gardens, sedges as a group are absolute workhorses in native landscaping. They provide:

  • Four-season interest with their graceful, grass-like foliage
  • Excellent erosion control
  • Habitat for wildlife, including birds that love their seeds
  • Low-maintenance ground cover options

The Bottom Line

Carex ×massonii remains one of those tantalizing mysteries in the plant world – a native hybrid that’s documented but not well understood. For most gardeners, it’s better admired from afar (or in botanical databases) while choosing from the many well-studied sedge species that will reliably beautify your landscape and support local wildlife.

Sometimes the most interesting plants are the ones that remind us how much we still have to learn about the natural world around us. And who knows? Maybe one day, more information about this elusive Quebec sedge will surface, making it a viable option for adventurous gardeners. Until then, there are plenty of other wonderful sedges waiting to earn a spot in your native plant garden.

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 ×massonii Cay. & Lepage - sedge

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