North America Native Plant

Parish’s Spikerush

Botanical name: Eleocharis parishii

USDA symbol: ELPA4

Life cycle: perennial

Habit: grass

Native status: Native to the lower 48 states  

Synonyms: Eleocharis disciformis Parish (ELDI)  âš˜  Eleocharis montevidensis Kunth var. disciformis (Parish) V.E. Grant (ELMOD2)  âš˜  Eleocharis montevidensis Kunth var. parishii (Britton) V.E. Grant (ELMOP2)   

Parish’s Spikerush: A Quiet Champion for Wetland Gardens If you’re looking to create a authentic wetland garden or need a reliable native plant for those perpetually soggy spots in your yard, let me introduce you to Parish’s spikerush (Eleocharis parishii). This unassuming little perennial might not win any beauty contests, ...

Parish’s Spikerush: A Quiet Champion for Wetland Gardens

If you’re looking to create a authentic wetland garden or need a reliable native plant for those perpetually soggy spots in your yard, let me introduce you to Parish’s spikerush (Eleocharis parishii). This unassuming little perennial might not win any beauty contests, but it’s exactly the kind of hardworking plant that makes ecosystems tick.

What Exactly Is Parish’s Spikerush?

Parish’s spikerush is a native perennial that belongs to the sedge family, though it’s often mistaken for a grass due to its slender, grass-like appearance. Don’t let its humble looks fool you – this plant is a wetland specialist that’s been quietly doing important ecological work across the American Southwest for centuries.

You might also see it listed under several scientific synonyms, including Eleocharis disciformis Parish and Eleocharis montevidensis var. disciformis, but they’re all referring to the same plant.

Where Does It Call Home?

This native beauty has made itself at home across seven southwestern states: Arizona, California, Nevada, New Mexico, Oregon, Texas, and Utah. It’s perfectly adapted to the unique challenges of wetland environments in these often arid regions.

Why Your Garden Might Love Parish’s Spikerush

Here’s where Parish’s spikerush really shines – it’s a problem-solver plant. Got a spot that’s always wet? Check. Need something for your rain garden? Double check. Want to support native ecosystems? Triple check.

This plant earns its Facultative Wetland status across multiple regions, meaning it usually hangs out in wetlands but can handle drier conditions when needed. That flexibility makes it incredibly valuable for:

  • Rain gardens and bioswales
  • Pond edges and water features
  • Wetland restoration projects
  • Naturalized landscape areas
  • Those challenging soggy spots where other plants struggle

The Honest Truth About Looks

Let’s be real – Parish’s spikerush isn’t going to be the showstopper in your garden. It’s a modest plant with thin green stems and small, inconspicuous brown flower spikes. Think of it as the reliable supporting actor rather than the leading lady. Its beauty lies in its function and its ability to create habitat for wildlife while solving drainage challenges.

Growing Conditions That Make It Happy

The good news is that Parish’s spikerush is refreshingly straightforward to grow if you can meet its basic needs:

  • Water: Consistently moist to wet soil (this is non-negotiable)
  • Light: Full sun to partial shade
  • Soil: Adapts to various soil types as long as they stay moist
  • Climate: Thrives in USDA hardiness zones 7-10

It’s surprisingly tough and can handle seasonal flooding, making it perfect for those areas that turn into temporary ponds during heavy rains.

Planting and Care Tips

Here’s the beauty of native plants like Parish’s spikerush – they’re designed for low maintenance once they’re established:

  • Planting: Spring is your best bet for getting new plants established
  • Watering: Keep soil consistently moist; this plant actually prefers too wet over too dry
  • Maintenance: Minimal once established – just let it do its thing
  • Spreading: It will naturalize in suitable conditions, which is usually a good thing in wetland settings

The Wildlife Connection

While Parish’s spikerush might not be a pollinator magnet (it’s wind-pollinated), it plays important roles in wetland ecosystems. These grass-like plants provide shelter for small wildlife and help stabilize soil in wet areas, preventing erosion.

Is Parish’s Spikerush Right for Your Garden?

You’ll love it if: You have consistently wet areas, you’re creating a rain garden, you want to support native ecosystems, or you need a low-maintenance solution for problem wet spots.

Skip it if: You’re looking for showy flowers, you have dry garden conditions, or you prefer high-impact ornamental plants.

Parish’s spikerush might not be the most glamorous plant in the garden center, but for the right situation, it’s absolutely invaluable. Sometimes the best plants are the ones that quietly solve problems while supporting the broader ecosystem – and that’s exactly what this humble native does best.

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

FACW

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

Great Plains

FACW

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

Western Mountains, Valleys, and Coast

FACW

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

Parish’s Spikerush

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

Eleocharis R. Br. - spikerush

Species

Eleocharis parishii Britton - Parish's spikerush

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