North America Native Plant

Cloud Sedge

Botanical name: Carex haydeniana

USDA symbol: CAHA6

Life cycle: perennial

Habit: grass

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

Synonyms: Carex festiva Dewey var. decumbens T. Holm (CAFED)  âš˜  Carex macloviana d'Urv. ssp. haydeniana (Olney) Roy L. Taylor & MacBryde (CAMAH)  âš˜  Carex nubicola Mack. (CANU14)   

Cloud Sedge: A Hardy Native Groundcover for Mountain Gardens Looking for a tough, low-maintenance groundcover that can handle challenging conditions? Meet cloud sedge (Carex haydeniana), a resilient native sedge that brings subtle beauty and ecological benefits to gardens across western North America. This unassuming perennial might not grab attention with ...

Cloud Sedge: A Hardy Native Groundcover for Mountain Gardens

Looking for a tough, low-maintenance groundcover that can handle challenging conditions? Meet cloud sedge (Carex haydeniana), a resilient native sedge that brings subtle beauty and ecological benefits to gardens across western North America. This unassuming perennial might not grab attention with flashy flowers, but it more than makes up for it with its reliability and adaptability.

What Makes Cloud Sedge Special

Cloud sedge is a true native, naturally occurring throughout the western United States and Canada. You’ll find this hardy sedge growing wild in states from Arizona to Washington, and from California to Wyoming, plus Alberta and British Columbia. It’s perfectly adapted to the challenging conditions of high-elevation environments, making it an excellent choice for gardeners dealing with similar tough growing conditions.

As a member of the sedge family (Cyperaceae), cloud sedge is a grass-like perennial that forms low, dense tufts or mats. Don’t expect showy blooms – this plant produces small, inconspicuous brownish flower spikes that add subtle texture rather than bold color. What it lacks in flashy appeal, it makes up for in its fine-textured foliage and reliable performance.

Why Choose Cloud Sedge for Your Garden

There are several compelling reasons to consider cloud sedge for your landscape:

  • Native plant benefits: Supporting local ecosystems while requiring minimal inputs
  • Drought tolerance: Once established, it handles dry conditions beautifully
  • Low maintenance: This is truly a plant it and forget it groundcover
  • Cold hardy: Thrives in USDA zones 3-7, perfect for mountain and northern gardens
  • Versatile growing conditions: Adapts to both wetlands and drier upland areas

Perfect Garden Settings

Cloud sedge shines in specific garden styles and situations:

  • Rock gardens where its fine texture complements stone features
  • Alpine and mountain gardens that mimic its natural habitat
  • Xeriscaping projects focused on water conservation
  • Naturalized landscapes where you want authentic regional plant communities
  • Slopes and areas where erosion control is needed

Growing Cloud Sedge Successfully

The beauty of cloud sedge lies in its simplicity. This adaptable native tolerates a wide range of conditions, from full sun to partial shade. It’s not particularly fussy about soil types and can handle both poor soils and occasional moisture – though it prefers well-draining conditions once established.

Interestingly, cloud sedge has different wetland classifications across regions. In the Arid West and Western Mountains, it’s considered facultative, meaning it can grow in both wet and dry areas. In the Great Plains, it leans more toward upland conditions. This flexibility makes it valuable for gardens with varying moisture levels.

Planting and Care Tips

Getting cloud sedge established is straightforward:

  • Plant in spring for best establishment
  • Choose a location with good drainage to prevent root rot
  • Water regularly during the first growing season, then reduce watering
  • Avoid overwatering once established – this plant prefers to stay on the dry side
  • Little to no fertilization needed – it’s adapted to lean soils
  • Minimal pruning required; simply remove any dead foliage in late winter

Wildlife and Ecological Benefits

While cloud sedge might seem modest, it plays important ecological roles. As a wind-pollinated plant, it doesn’t attract bees and butterflies like flowering perennials, but its seeds can provide food for small birds and wildlife. More importantly, by choosing this native over non-native alternatives, you’re supporting the broader ecosystem and helping maintain regional plant diversity.

Is Cloud Sedge Right for Your Garden?

Cloud sedge is ideal for gardeners who appreciate understated beauty and want plants that work with nature rather than against it. If you’re creating a mountain garden, need groundcover for challenging conditions, or simply want to incorporate more native plants into your landscape, cloud sedge deserves consideration.

However, if you’re looking for bold color, rapid growth, or dramatic visual impact, this subtle sedge might not be your first choice. Its appeal lies in its quiet reliability and ecological authenticity rather than showstopping aesthetics.

For western gardeners seeking authentic, low-maintenance groundcover options, cloud sedge offers a perfect blend of native heritage and practical benefits. It’s a plant that quietly does its job while connecting your garden to the broader natural landscape – and sometimes, that’s exactly what a garden needs.

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

Arid West

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Great Plains

FACU

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

Western Mountains, Valleys, and Coast

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Cloud 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 haydeniana Olney - cloud sedge

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