North America Native Plant

Yukon Sedge

Botanical name: Carex bonanzensis

USDA symbol: CABO3

Life cycle: perennial

Habit: grass

Native status: Native to Alaska âš˜ Native to Canada  

Yukon Sedge: A Hardy Native for Cold Climate Gardens If you’re gardening in the far north and looking for a tough, no-fuss native plant that can handle whatever winter throws at it, let me introduce you to Yukon sedge (Carex bonanzensis). This unassuming little sedge might not win any beauty ...

Yukon Sedge: A Hardy Native for Cold Climate Gardens

If you’re gardening in the far north and looking for a tough, no-fuss native plant that can handle whatever winter throws at it, let me introduce you to Yukon sedge (Carex bonanzensis). This unassuming little sedge might not win any beauty contests, but what it lacks in flashy flowers, it more than makes up for in pure, arctic-tested resilience.

What Is Yukon Sedge?

Yukon sedge is a perennial grass-like plant that belongs to the sedge family. Don’t let the grass-like description fool you into thinking it’s just another boring lawn substitute – sedges are actually quite different from true grasses and bring their own unique character to the garden. This particular sedge forms dense, low-growing tufts of narrow green leaves that create a naturalistic groundcover effect.

Where Does It Come From?

This hardy native calls the coldest corners of North America home, naturally occurring throughout Alaska, Yukon Territory, and the Northwest Territories of Canada. It’s perfectly adapted to life in the arctic and subarctic, which means it can handle conditions that would make most other plants wave the white flag of surrender.

Why You Might Want to Grow Yukon Sedge

Here’s where Yukon sedge really shines – it’s practically bulletproof in cold climates. If you live in USDA hardiness zones 1-4, this plant is your friend. Here’s why you might want to give it a spot in your garden:

  • Extremely cold hardy – we’re talking survive-an-arctic-winter hardy
  • Low maintenance once established
  • Provides naturalistic groundcover
  • Supports local ecosystems as a native plant
  • Handles wet conditions well, making it perfect for rain gardens
  • Adds texture and movement to garden beds

Garden Design and Landscape Role

Yukon sedge isn’t going to be the star of your flower border, but it plays an excellent supporting role. Think of it as nature’s own carpet – perfect for filling in naturalized areas, creating groundcover in native plant gardens, or adding authentic northern character to cold climate landscapes. It’s particularly valuable in wetland gardens or areas that stay consistently moist.

This sedge works beautifully when you’re trying to recreate natural arctic or subarctic plant communities, or when you want to establish a low-maintenance area that still looks intentional and cared for.

Growing Conditions and Care

The good news about Yukon sedge is that it’s not picky – as long as you can meet its basic needs, it’ll be happy. Here’s what it likes:

  • Moisture: Prefers consistently moist to wet soil (it has facultative wetland status)
  • Light: Full sun to partial shade
  • Soil: Adaptable to various soil types as long as they stay moist
  • Climate: Thrives in very cold conditions (zones 1-4)

Planting and Care Tips

Getting Yukon sedge established is straightforward, especially if you’re working with its preferred conditions:

  • Plant in spring or early fall when temperatures are moderate
  • Ensure consistent moisture, especially during the first growing season
  • Space plants according to how quickly you want coverage – closer spacing fills in faster
  • Minimal fertilization needed – this plant is used to lean arctic soils
  • Division in early spring can help propagate and rejuvenate clumps
  • Very little pruning required – just remove any dead material in spring

Wildlife and Ecosystem Benefits

While Yukon sedge may not be a major pollinator magnet (sedges are wind-pollinated rather than insect-pollinated), it still contributes to the local ecosystem. Native sedges provide habitat structure for small wildlife and help support the complex web of life that makes up healthy northern ecosystems.

Is Yukon Sedge Right for Your Garden?

Yukon sedge is definitely a specialized plant for specialized conditions. If you’re gardening in the far north and want to work with native plants that can handle extreme cold and wet conditions, this sedge deserves serious consideration. It’s not going to work in warm climates, and it’s not going to provide the showy flowers that some gardeners crave.

But if you’re looking for a tough, authentic native that can help you create naturalistic landscapes in some of the most challenging growing conditions on the continent, Yukon sedge might just be exactly what you need. Sometimes the most valuable plants are the ones that quietly do their job without asking for much in return – and that’s Yukon sedge in a nutshell.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Alaska

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Yukon 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 bonanzensis Britton - Yukon sedge

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