North America Native Plant

Star Sedge

Botanical name: Carex echinata phyllomanica

USDA symbol: CAECP

Life cycle: perennial

Habit: grass

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

Synonyms: Carex echinata Murray var. phyllomanica (W. Boott) B. Boivin (CAECP2)  âš˜  Carex phyllomanica W. Boott (CAPH6)   

Star Sedge: A Native Wetland Beauty for Pacific Northwest Gardens If you’re looking to add authentic native charm to your garden while supporting local ecosystems, star sedge (Carex echinata phyllomanica) might just be the unsung hero your landscape needs. This perennial sedge brings the wild beauty of North America’s wetlands ...

Star Sedge: A Native Wetland Beauty for Pacific Northwest Gardens

If you’re looking to add authentic native charm to your garden while supporting local ecosystems, star sedge (Carex echinata phyllomanica) might just be the unsung hero your landscape needs. This perennial sedge brings the wild beauty of North America’s wetlands right to your backyard, and it’s easier to grow than you might think!

Meet the Star Sedge

Star sedge is a grass-like perennial that belongs to the sedge family (Cyperaceae). Don’t let the grass-like description fool you though – sedges have their own unique personality that sets them apart from typical lawn grasses. This particular variety, scientifically known as Carex echinata phyllomanica, is a special form that showcases the adaptability and beauty of native sedges.

You might also see this plant listed under its synonyms: Carex echinata Murray var. phyllomanica or Carex phyllomanica. Botanical names can be tricky, but they all refer to our lovely star sedge!

Where Star Sedge Calls Home

This native beauty has quite an impressive range! Star sedge is indigenous to a vast area including Alaska, Canada, and the lower 48 states. More specifically, you’ll find it thriving in British Columbia, Alaska, California, Oregon, and Washington. That’s quite a testament to its adaptability and hardiness!

Why Choose Star Sedge for Your Garden?

Here’s why star sedge deserves a spot in your native plant collection:

  • Authentic local character: As a true native, it belongs in Pacific Northwest landscapes and supports local ecosystems
  • Low maintenance: Once established, native sedges typically require minimal care
  • Year-round interest: As a perennial, it provides structure and texture throughout the seasons
  • Habitat value: Native sedges generally provide food and shelter for local wildlife
  • Unique texture: The grass-like form adds natural movement and softness to garden designs

Perfect Garden Spots for Star Sedge

Star sedge works beautifully in several garden settings:

  • Native plant gardens: A natural choice for authentic regional landscapes
  • Naturalized areas: Perfect for creating that wild meadow look
  • Transitional zones: Great for bridging formal garden areas with wilder spaces
  • Erosion control: Sedges often have robust root systems that help stabilize soil

Growing Star Sedge Successfully

While specific growing information for this particular variety is limited, sedges in general are known for being relatively easy-going plants. Here are some general guidelines for success:

Location and Conditions

Most sedges appreciate consistent moisture and can tolerate a range of light conditions from full sun to partial shade. Given its wide native range from Alaska to California, star sedge likely adapts to various climate conditions within its range.

Soil Preferences

Sedges typically aren’t fussy about soil type, though many prefer slightly moist to wet conditions. Good drainage is usually important to prevent root rot, even for moisture-loving varieties.

Planting Tips

  • Spring is typically the best time to plant sedges
  • Space plants according to their mature size (specific dimensions for this variety aren’t well documented)
  • Water regularly during establishment
  • Mulch around plants to retain moisture and suppress weeds

Care and Maintenance

One of the best things about native sedges is their low-maintenance nature once established. Here’s what your star sedge will likely need:

  • Watering: Regular water during the first growing season, then likely drought-tolerant
  • Fertilizing: Usually unnecessary for native plants in appropriate conditions
  • Pruning: Cut back in late winter or early spring before new growth appears
  • Division: Can be divided every few years if you want to propagate or control spread

A Note on Availability

Star sedge (Carex echinata phyllomanica) is a specialized variety that may not be readily available at typical garden centers. You might need to seek out native plant sales, specialty nurseries, or online retailers that focus on indigenous species. The wait and effort will be worth it for this authentic native addition to your garden!

The Bottom Line

If you’re passionate about native plants and want to create authentic regional landscapes, star sedge offers the perfect combination of ecological value and garden beauty. While it might take some detective work to source this particular variety, supporting native plant diversity in your garden is always a worthy goal. Plus, you’ll have the satisfaction of growing something truly special that connects your landscape to the natural heritage of the Pacific Northwest!

Star 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 echinata Murray - star sedge

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