North America Native Plant

Sedge

Botanical name: Carex ×kenaica

USDA symbol: CAKE5

Life cycle: perennial

Habit: grass

Native status: Native to Alaska  

Discovering Carex ×kenaica: Alaska’s Mysterious Hybrid Sedge If you’re a native plant enthusiast with a taste for the unusual, you might find yourself intrigued by Carex ×kenaica, a hybrid sedge that calls Alaska home. While this perennial grass-like plant won’t be found in your typical garden center catalog, it represents ...

Discovering Carex ×kenaica: Alaska’s Mysterious Hybrid Sedge

If you’re a native plant enthusiast with a taste for the unusual, you might find yourself intrigued by Carex ×kenaica, a hybrid sedge that calls Alaska home. While this perennial grass-like plant won’t be found in your typical garden center catalog, it represents an interesting piece of Alaska’s native flora puzzle.

What Makes This Sedge Special

Carex ×kenaica belongs to the sedge family (Cyperaceae), which means it’s one of those grass-like plants that often gets mistaken for true grass but has its own unique characteristics. The × in its name is botanical shorthand telling us this is a hybrid – essentially nature’s own cross between two parent sedge species.

As a perennial, this sedge returns year after year, though like many hybrid plants, it may not reproduce as reliably as its parent species.

Where You’ll Find It

This sedge is native exclusively to Alaska, making it a true northerner. Its distribution is limited to the Last Frontier state, where it grows in the wild as part of Alaska’s diverse native plant communities.

Should You Grow Carex ×kenaica?

Here’s where things get a bit tricky. While this native Alaskan sedge sounds intriguing, finding specific growing information – or even the plant itself – proves challenging. This hybrid appears to be quite rare in cultivation, and detailed horticultural information is scarce.

If you’re gardening in Alaska and happen to encounter this sedge in the wild, it’s best to admire it where it grows naturally rather than attempting to transplant it. Hybrid plants can be unpredictable, and disturbing wild populations isn’t recommended.

Alternative Sedge Options

If you’re drawn to the idea of growing native sedges, consider these more readily available alternatives:

  • Other Alaskan native Carex species that are better documented
  • Locally-sourced sedges from native plant societies
  • Sedges available through specialty native plant nurseries

General Sedge Growing Tips

While we can’t provide specific care instructions for Carex ×kenaica, most sedges share some common preferences:

  • Many tolerate or prefer moist to wet conditions
  • Most adapt well to partial shade
  • They’re generally low-maintenance once established
  • Cold hardiness varies by species, but Alaska natives are typically very hardy

The Bottom Line

Carex ×kenaica remains something of a botanical mystery – a native Alaskan hybrid that’s more likely to be of interest to botanists than home gardeners. If you’re passionate about Alaska’s native flora, this sedge represents the kind of unique, specialized plants that make regional ecosystems so fascinating.

For practical gardening purposes, you’ll have better luck with other native sedges that are more readily available and better understood. But isn’t it wonderful to know that plants like Carex ×kenaica exist, quietly doing their part in Alaska’s wild 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 ×kenaica Lepage [ramenskii × subspathacea] - sedge

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