North America Non-native Plant

Weeping Grass

Botanical name: Microlaena

USDA symbol: MICRO20

Life cycle: perennial

Habit: grass

Native status: Non-native, reproduces and persists in the wild in Hawaii  

Weeping Grass: A Graceful Addition to Your Garden If you’re looking for a grass that lives up to its poetic name, weeping grass (Microlaena) might just catch your eye. This perennial grass creates elegant, cascading clumps that add a soft, flowing texture to garden spaces. But before you fall head ...

Weeping Grass: A Graceful Addition to Your Garden

If you’re looking for a grass that lives up to its poetic name, weeping grass (Microlaena) might just catch your eye. This perennial grass creates elegant, cascading clumps that add a soft, flowing texture to garden spaces. But before you fall head over heels for its graceful appearance, let’s dive into what makes this grass tick and whether it’s the right fit for your landscape.

What Is Weeping Grass?

Weeping grass is a perennial graminoid – that’s garden-speak for a grass or grass-like plant. True to its common name, this plant forms delicate tufts with narrow leaves that create a distinctive weeping or drooping effect, hence the charming moniker.

Where Does It Come From?

Here’s where things get interesting: weeping grass isn’t actually native to the United States. Originally from Australia and New Zealand, it has found its way to Hawaii, where it now grows and reproduces on its own in the wild. In the continental US, you’ll find it primarily in USDA hardiness zones 9-11, where the climate can accommodate its needs.

Why You Might Want to Grow Weeping Grass

Weeping grass brings several appealing qualities to the garden table:

  • Graceful appearance: The cascading growth habit creates beautiful texture and movement in the landscape
  • Low maintenance: Once established, it’s fairly hands-off
  • Versatile placement: Works well as ground cover, accent plantings, or in naturalistic garden designs
  • Drought tolerance: Can handle periods of moderate drought once established

Garden Design and Landscape Role

Weeping grass shines in informal garden settings and works particularly well in:

  • Rock gardens where its soft texture contrasts nicely with hard surfaces
  • Mixed perennial borders as a textural element
  • Naturalistic plantings that mimic wild grasslands
  • Container gardens for a cascading effect

Growing Conditions and Care

If you decide to give weeping grass a try, here’s what it prefers:

  • Light: Partial shade to full sun
  • Soil: Well-draining soil is essential – soggy conditions are not its friend
  • Water: Moderate watering needs; drought-tolerant once established
  • Climate: Best suited for zones 9-11

Planting and Care Tips

Getting weeping grass established is relatively straightforward:

  • Plant in spring after the last frost
  • Space plants according to mature size to allow for proper air circulation
  • Water regularly during the first growing season to establish roots
  • Once established, it’s quite low-maintenance
  • Keep an eye out for self-seeding, as it may spread naturally

Wildlife and Pollinator Benefits

Like most grasses, weeping grass is primarily wind-pollinated, so it won’t be a major draw for bees and butterflies. However, grasses in general can provide habitat and nesting material for various wildlife species.

A Word About Native Alternatives

While weeping grass can be a lovely addition to appropriate climates, it’s worth considering native grass alternatives that provide similar aesthetic appeal while supporting local ecosystems. Depending on your region, native bunch grasses or sedges might offer similar texture and form while being better adapted to your local conditions and beneficial to native wildlife.

Some native alternatives to consider include:

  • Native sedges (Carex species) for similar texture
  • Regional native bunch grasses
  • Native rush species for wet areas

The Bottom Line

Weeping grass can be a beautiful addition to gardens in warmer climates, offering graceful texture and relatively easy care. While it’s not native to the US, it’s not currently listed as invasive either. If you’re drawn to its weeping habit and soft appearance, just be mindful of its potential to self-seed and consider native alternatives that might provide similar beauty while supporting your local ecosystem.

As with any garden addition, the best choice depends on your specific goals, climate, and garden philosophy. Whether you choose weeping grass or a native alternative, the key is creating a landscape that brings you joy while being responsible to your local environment.

Weeping 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

Microlaena R. Br. - weeping grass

Species

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