North America Native Plant

Broom Sedge

Botanical name: Carex scoparia var. tessellata

USDA symbol: CASCT

Life cycle: perennial

Habit: grass

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

Broom Sedge: A Native Gem for Wetland Gardens If you’re looking to add authentic native character to your wetland garden or rain garden, broom sedge (Carex scoparia var. tessellata) might just be the unsung hero you’ve been searching for. This charming perennial sedge brings subtle beauty and important ecological function ...

Rare plant alert!

Region: Conservation status by state

Status: S5T2T4: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Subspecies or varieties is apparently secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the region or more than 10,000 individuals ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Broom Sedge: A Native Gem for Wetland Gardens

If you’re looking to add authentic native character to your wetland garden or rain garden, broom sedge (Carex scoparia var. tessellata) might just be the unsung hero you’ve been searching for. This charming perennial sedge brings subtle beauty and important ecological function to naturalized landscapes, though it comes with some special considerations for the conscientious gardener.

What Makes Broom Sedge Special?

Broom sedge is a grass-like perennial that belongs to the sedge family (Cyperaceae). Don’t let the grass-like description fool you into thinking it’s ordinary – sedges have their own unique charm and ecological niche that true grasses simply can’t fill. This particular variety offers fine-textured foliage and delicate, clustered seed heads that add movement and interest to wetland plantings.

Where Does It Call Home?

This native beauty has quite a specific geographic footprint. Broom sedge naturally occurs in New Brunswick, Maine, and New York, making it a true northeastern specialist. It’s native to both Canada and the lower 48 states, though its range is relatively limited compared to some of its sedge cousins.

A Word of Caution: Rarity Matters

Here’s where things get important for responsible gardeners. Broom sedge has a Global Conservation Status of S5T2T4, which indicates some level of conservation concern. This means that while you can certainly grow this plant, you should be extra careful about sourcing it responsibly. Always purchase from reputable native plant nurseries that propagate their own stock rather than collecting from wild populations.

Why Grow Broom Sedge?

Despite its specific needs, broom sedge offers several compelling reasons to include it in your landscape:

  • Authentic native character for northeastern gardens
  • Excellent for naturalized wetland areas and rain gardens
  • Low maintenance once established in proper conditions
  • Provides habitat structure for small wildlife
  • Helps with erosion control in wet areas
  • Adds fine texture contrast to broader-leaved wetland plants

Growing Conditions and Care

Broom sedge isn’t a plant for every garden – it has specific preferences that you’ll need to meet for success:

Sunlight: Full sun to partial shade, though it tends to perform best with at least 4-6 hours of direct sunlight.

Soil: Moist to wet soils are essential. This sedge naturally grows in wetland conditions, so don’t expect it to thrive in typical garden soil. It’s perfect for those soggy spots where other plants struggle.

Hardiness: Suitable for USDA zones 3-7, making it quite cold-hardy for northern gardens.

Water: Consistent moisture is key. Think rain garden, pond edge, or naturally wet depression rather than regular perennial border.

Planting and Care Tips

Getting broom sedge established successfully requires attention to its specific needs:

  • Plant in spring after the last frost when soil is workable
  • Ensure consistent moisture, especially during the first growing season
  • Space plants 12-18 inches apart for groundcover effect
  • Mulch lightly to retain moisture, but avoid heavy mulch that might encourage rot
  • Minimal fertilization needed – these plants are adapted to lean, wet soils
  • Cut back old foliage in late winter before new growth emerges

The Right Garden for Broom Sedge

This isn’t a plant for formal perennial borders or drought-tolerant landscapes. Broom sedge shines in:

  • Rain gardens and bioswales
  • Pond or stream margins
  • Naturalized wetland gardens
  • Restoration projects in appropriate habitats
  • Areas with seasonal flooding or poor drainage

Wildlife and Ecological Benefits

While broom sedge is wind-pollinated and doesn’t offer direct nectar resources for pollinators, it provides valuable habitat structure for small wildlife and contributes to the overall biodiversity of wetland ecosystems. The seeds may provide food for some bird species, and the plant structure offers shelter for small creatures.

Is Broom Sedge Right for Your Garden?

Broom sedge is definitely a specialist plant. If you have consistently moist to wet conditions and want to create authentic northeastern wetland habitat, it could be a wonderful addition to your landscape. However, if you’re looking for a low-water garden plant or something for typical garden beds, you’d be better served by other native options.

Remember, if you do decide to grow broom sedge, source it responsibly from reputable nurseries that grow their own plants. With its limited range and conservation status, wild collection is not appropriate for this species.

For gardeners in the right conditions with access to responsibly sourced plants, broom sedge offers a chance to grow something truly special – a native plant that brings authentic ecological character to wetland gardens while supporting local biodiversity.

Broom 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 scoparia Schkuhr ex Willd. - broom sedge

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