North America Native Plant

Lophatherum

Botanical name: Lophatherum

USDA symbol: LOPHA

Life cycle: perennial

Habit: grass

Native status: Native to Pacific Basin excluding Hawaii  

Lophatherum: The Mystery Grass You Probably Can’t (and Shouldn’t) Grow If you’ve stumbled across the name lophatherum in your plant research, you might be wondering what this mysterious grass is all about. Well, you’re not alone in your confusion – this is one of those botanical enigmas that even seasoned ...

Lophatherum: The Mystery Grass You Probably Can’t (and Shouldn’t) Grow

If you’ve stumbled across the name lophatherum in your plant research, you might be wondering what this mysterious grass is all about. Well, you’re not alone in your confusion – this is one of those botanical enigmas that even seasoned gardeners scratch their heads over.

What Is Lophatherum?

Lophatherum is a perennial grass or grass-like plant that belongs to the monocot family. Think of it as part of that big, diverse group that includes familiar grasses, sedges, and rushes. But here’s where things get interesting (and a bit frustrating): there’s surprisingly little information available about this particular genus.

Where Does It Come From?

This grass calls the Pacific Basin home, specifically excluding Hawaii. In fact, it’s only been documented growing in Palau, a small island nation in the western Pacific Ocean. That’s quite a limited neighborhood, even by plant standards!

Why You Probably Won’t Find It at Your Local Nursery

Here’s the reality check: lophatherum is not your typical garden center find. With its extremely limited native range and scarce documentation, this plant falls into the category of botanical curiosity rather than practical garden choice. Even if you could get your hands on it, we simply don’t have enough information about its growing requirements, care needs, or how it behaves in cultivation.

The Information Gap

Unfortunately, many crucial details about lophatherum remain unknown, including:

  • Specific growing conditions and soil preferences
  • USDA hardiness zones
  • Water requirements and wetland status
  • Wildlife and pollinator benefits
  • Mature size and growth rate
  • Propagation methods
  • Aesthetic characteristics

Better Alternatives for Your Garden

If you’re drawn to the idea of native grasses and grass-like plants, there are plenty of well-documented options that will actually thrive in your garden. Consider researching native grasses specific to your region – they’ll be much easier to source, grow successfully, and support local wildlife.

Your local native plant society or extension office can point you toward beautiful, regionally appropriate grasses that will give you the natural look you’re after without the guesswork.

The Bottom Line

While lophatherum might sound intriguing, it’s simply too obscure and geographically limited to be a practical choice for most gardeners. Sometimes the most responsible approach is to admire a plant from afar and choose something more suitable and sustainable for your own little patch of earth.

Stick with well-documented native plants for your region, and you’ll have much better success – plus you’ll be supporting local ecosystems in the process!

Lophatherum

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

Lophatherum Brongn. - lophatherum

Species

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