North America Native Plant

Haresfoot Grass

Botanical name: Ectrosia leporina

USDA symbol: ECLE

Life cycle: annual

Habit: grass

Native status: Native to Pacific Basin excluding Hawaii  

Haresfoot Grass: A Rare Pacific Island Native Worth Knowing If you’re a gardener interested in truly unique native plants, you might have stumbled across the name haresfoot grass (Ectrosia leporina). This little-known annual grass species is one of those plants that makes you appreciate just how diverse our world’s flora ...

Haresfoot Grass: A Rare Pacific Island Native Worth Knowing

If you’re a gardener interested in truly unique native plants, you might have stumbled across the name haresfoot grass (Ectrosia leporina). This little-known annual grass species is one of those plants that makes you appreciate just how diverse our world’s flora really is – even if it’s not destined for every garden center.

What Makes Haresfoot Grass Special?

Haresfoot grass belongs to the graminoid family, which means it’s a grass or grass-like plant. As an annual, it completes its entire life cycle within one growing season, sprouting from seed, growing, flowering, setting seed, and dying back all within a year. While this might sound limiting, many annual grasses play important ecological roles in their native habitats.

Where Does Haresfoot Grass Call Home?

Here’s where things get interesting – and quite exclusive. Ectrosia leporina is native to a very small slice of the Pacific Basin, specifically documented in Guam and Palau. This extremely limited geographical distribution makes it one of those plants that most gardeners will never encounter, but it’s fascinating nonetheless for those interested in Pacific island flora.

Should You Try Growing Haresfoot Grass?

The honest answer? Probably not, and here’s why:

  • Extremely limited availability – you’re unlikely to find seeds or plants commercially
  • Very specific native range suggests particular growing requirements
  • Limited information available about cultivation needs
  • Better native grass alternatives likely exist for your region

Unless you’re gardening in Guam, Palau, or conducting specialized conservation work, your gardening energy is probably better spent on native grasses from your own region that offer similar ecological benefits with much better availability and growing information.

What We Don’t Know (And Why That Matters)

One of the challenges with rare, geographically limited species like haresfoot grass is that detailed horticultural information often isn’t readily available. We don’t have solid data on its specific growing conditions, wildlife benefits, or propagation methods. This lack of information isn’t just an inconvenience – it highlights the importance of botanical research and conservation efforts in remote locations.

Better Alternatives for Your Garden

Instead of searching for this elusive Pacific island native, consider exploring the native grasses in your own area. Every region has fascinating native grass species that:

  • Are adapted to local conditions
  • Support regional wildlife
  • Are available from responsible sources
  • Have established growing guidelines

Your local native plant society or extension office can point you toward native grasses that will thrive in your specific climate and soil conditions while supporting local ecosystems.

The Takeaway

While haresfoot grass (Ectrosia leporina) might not be destined for your garden, learning about such specialized native plants reminds us of the incredible diversity of plant life on our planet. Every ecosystem, no matter how small or remote, has its own unique species that have evolved to thrive in specific conditions. That’s pretty amazing, even if we can’t grow them all in our backyards!

For most gardeners, the best approach is to focus on the native plants from their own region – they’re the ones that will truly thrive and support local wildlife while being much easier to source and grow successfully.

Haresfoot Grass

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

Poaceae Barnhart - Grass family

Genus

Ectrosia R. Br. - ectrosia

Species

Ectrosia leporina R. Br. - haresfoot grass

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