North America Native Plant

Hair-like Spikerush

Botanical name: Eleocharis nana

USDA symbol: ELNA

Life cycle: annual

Habit: grass

Native status: Native to the lower 48 states  

Hair-like Spikerush: A Delicate Native for Your Water Garden If you’re looking to add some fine-textured charm to your wetland garden or pond edge, meet hair-like spikerush (Eleocharis nana) – a delicate little native that’s perfect for those soggy spots where other plants fear to tread. This tiny annual sedge ...

Hair-like Spikerush: A Delicate Native for Your Water Garden

If you’re looking to add some fine-textured charm to your wetland garden or pond edge, meet hair-like spikerush (Eleocharis nana) – a delicate little native that’s perfect for those soggy spots where other plants fear to tread. This tiny annual sedge might not win any height contests, but what it lacks in stature, it makes up for in specialized wetland charm.

What Makes Hair-like Spikerush Special?

Hair-like spikerush is a native annual that belongs to the sedge family, giving it that distinctive grass-like appearance that adds texture to wetland areas. True to its name, this petite plant forms delicate, hair-like clumps that create a soft, fine-textured carpet in consistently wet conditions. As an obligate wetland plant in the Atlantic and Gulf Coastal Plain region, it’s perfectly adapted to life with its roots in water.

Where Does It Call Home?

This southeastern native is primarily found in Florida, though its range extends into adjacent coastal areas of the southeastern United States. In the wild, you’ll find it thriving in wet prairies, pond margins, and other consistently saturated soils where it can complete its annual life cycle.

Why Grow Hair-like Spikerush?

Here are some compelling reasons to consider this native charmer:

  • Perfect for problem spots: Got a soggy area where nothing else will grow? This plant thrives in conditions that would drown most garden plants
  • Native habitat value: Supports local ecosystems and provides structure for small wetland creatures
  • Low maintenance: Once established in the right conditions, it pretty much takes care of itself
  • Unique texture: Adds fine, delicate texture that contrasts beautifully with broader-leaved wetland plants
  • Specialized niche: Perfect for water gardens, bog gardens, and wetland restoration projects

Growing Conditions and Care

Hair-like spikerush has some very specific needs, but if you can meet them, you’ll be rewarded with a unique addition to your wetland garden:

  • USDA Hardiness Zones: 8-10
  • Light requirements: Full sun to partial shade
  • Soil needs: Consistently wet to saturated soils – this plant must have constant moisture
  • Water requirements: Obligate wetland plant that requires standing water or constantly saturated soil

Planting and Care Tips

Since this is an annual, you’ll need to plan for reseeding each year:

  • Plant seeds in spring when soil temperatures warm up
  • Ensure planting area stays consistently wet throughout the growing season
  • Allow some plants to go to seed for natural reseeding
  • Minimal fertilization needed – wetland soils are typically nutrient-rich
  • No pruning required – simply allow the natural annual cycle

Is Hair-like Spikerush Right for Your Garden?

This specialized little native isn’t for every garden, but it’s perfect if you have the right conditions. Consider hair-like spikerush if you have:

  • A water garden or pond with shallow margins
  • A bog garden or rain garden that stays consistently wet
  • Areas with poor drainage that stay soggy
  • A wetland restoration project
  • USDA zones 8-10 climate

Keep in mind that this plant absolutely requires constant moisture – it’s not adaptable to typical garden conditions. If you don’t have naturally wet areas, you’ll need to commit to consistent irrigation or consider it only for water features.

The Bottom Line

Hair-like spikerush is a specialized native that fills a very particular niche in the garden ecosystem. While it won’t work in traditional flower beds, it’s absolutely perfect for those challenging wet spots where you want to embrace native plants and create habitat for wetland wildlife. If you’re passionate about water gardening or wetland restoration, this delicate little annual deserves a spot in your collection of native wetland treasures.

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

Atlantic and Gulf Coastal Plain

OBL

Obligate Wetland - Plants with this status almost always occurs in wetlands

Hair-like 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 nana Kunth - hair-like spikerush

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