North America Native Plant

Indiangrass

Botanical name: Sorghastrum nutans

USDA symbol: SONU2

Life cycle: perennial

Habit: grass

Native status: Native to Canada âš˜ Native to the lower 48 states  

Synonyms: Andropogon nutans L. (ANNU4)  âš˜  Sorghastrum avenaceum (Michx.) Nash (SOAV2)   

Indiangrass: The Prairie Powerhouse That Belongs in Your Garden If you’re looking to add some serious height, movement, and autumn drama to your landscape, let me introduce you to Indiangrass (Sorghastrum nutans). This magnificent native grass might just become your new favorite plant once you discover its many charms and ...

Indiangrass: The Prairie Powerhouse That Belongs in Your Garden

If you’re looking to add some serious height, movement, and autumn drama to your landscape, let me introduce you to Indiangrass (Sorghastrum nutans). This magnificent native grass might just become your new favorite plant once you discover its many charms and surprisingly easy-going nature.

What Exactly Is Indiangrass?

Indiangrass is a perennial bunch grass that’s as American as apple pie – literally! This native beauty has been gracing North American landscapes for thousands of years, long before the first European settlers arrived. You might also see it listed under its old scientific names like Andropogon nutans or Sorghastrum avenaceum, but don’t let the botanical mumbo-jumbo intimidate you.

Where Does Indiangrass Call Home?

Talk about a well-traveled plant! Indiangrass is native to both Canada and the lower 48 states, making appearances in an impressive roster of locations including Alabama, Arizona, Arkansas, Colorado, Connecticut, Delaware, Florida, Georgia, and the list goes on through Wyoming. Basically, if you live anywhere from southern Canada down to northern Mexico, this grass considers your area home sweet home.

Why Your Garden Needs This Golden Beauty

Here’s where Indiangrass really shines (quite literally). This isn’t just another green grass that blends into the background. Standing tall at up to 6 feet, Indiangrass creates a stunning architectural presence with its upright, erect growth form. During summer, you’ll enjoy its blue-green foliage, but come fall – oh my! – the real magic happens when both the leaves and those gorgeous seed heads turn brilliant shades of golden-yellow and bronze.

The seed heads are particularly spectacular, catching light and swaying gracefully in autumn breezes. It’s like having your own private amber waves of grain, just like in the song!

Perfect Spots for Indiangrass

Indiangrass is incredibly versatile and fits beautifully into several garden styles:

  • Prairie and naturalized gardens (where it absolutely belongs)
  • Rain gardens and bioswales
  • Slope stabilization projects
  • Wildlife-friendly landscapes
  • Low-maintenance garden areas
  • As a dramatic specimen plant or backdrop for shorter plants

Growing Conditions That Make Indiangrass Happy

One of the best things about Indiangrass is that it’s not fussy. This adaptable grass thrives in USDA hardiness zones 3-9, so most gardeners can enjoy it. Here’s what it prefers:

  • Sunlight: Full sun is best – it’s quite intolerant of shade
  • Soil: Adaptable to coarse, medium, or fine-textured soils
  • pH: Tolerates a wide range from 4.8 to 8.0
  • Water: Drought tolerant once established, with medium moisture needs
  • Drainage: Prefers well-draining soils but can handle some wetness

Planting and Care Made Simple

Growing Indiangrass from seed is the most common and economical approach. Here’s your roadmap to success:

When to Plant: Fall or early spring works best. Seeds need about 120 frost-free days, so time accordingly.

Seeding: No cold stratification required! Simply sow seeds directly where you want them to grow. With about 174,720 seeds per pound, a little goes a long way.

Patience is Key: Seed spread rate is slow, and seedling vigor is medium, so don’t expect instant gratification. Good things take time!

Ongoing Care: Once established, Indiangrass is refreshingly low-maintenance. It has low fertility requirements, moderate drought tolerance, and a moderate growth rate. Cut it back in late winter before new growth begins.

Wildlife and Environmental Benefits

While Indiangrass might not be the five-star restaurant of the bird world (providing only 2-5% of some birds’ diets), it still offers valuable benefits. The seeds feed various bird species, and the grass structure provides habitat for beneficial insects and small wildlife.

From an environmental standpoint, Indiangrass is a superstar. Its deep root system (extending at least 24 inches down) helps prevent soil erosion, and it’s highly fire tolerant – a crucial trait in its native prairie ecosystem.

A Few Things to Keep in Mind

Indiangrass has a moderate vegetative spread rate and forms clumps rather than spreading aggressively, so you won’t need to worry about it taking over your garden. However, it’s not frost-tender and will die back to the ground in winter, leaving you with attractive dried seed heads if you choose not to cut them back immediately.

The grass blooms in late spring with small, inconspicuous yellow flowers, followed by brown seeds from summer through fall. Don’t expect showy flowers – the real beauty lies in the overall form and autumn color.

The Bottom Line

Indiangrass is one of those wonderful native plants that asks for little but gives back so much. Whether you’re creating a prairie garden, need a low-maintenance specimen plant, or want to support local wildlife, this golden grass deserves a spot in your landscape. Plus, there’s something deeply satisfying about growing a plant that’s been thriving in your region for millennia – it’s like welcoming home an old friend who never really left.

Wildlife Status

Want to attract wildlife or keep hungry critters away from your garden? Understanding the relationship between plants and wildlife is key. While plant tags may indicate deer and rabbit resistance, they don't tell the full story. Every gardener has experienced the disappointment of purchasing "deer-resistant" plants only to find them nibbled to the ground!

The extent to which plants are resistant to animal browsing is a matter of degree. Likewise, the extent to which a plant attracts wanted visitors also varies. Whether you want a garden full or free of wildlife, learning about interactions between a plant and wild animals can help you make smarter choices for the garden you desire.

As shown below Shrubby Indian Mallow isn't a large food source for animals or birds. You can confidently add this plant to your garden and rest assured knowing it's unlikely to be devoured by four-legged visitors.

Small animals

not a food source

not a source of cover

Large animals

not a food source

not a source of cover

Terrestrial birds

2-5% of diet

Sparsely used as cover

Water birds

not a food source

not a source of cover

Sources:

Yarrow, G.K., and D.T. Yarrow. 1999. Managing wildlife. Sweet Water Press. Birmingham.Miller, J.H., and K.V. Miller. 1999. Forest plants of the southeast and their wildlife uses. Southern Weed Science Society.

Indiangrass

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

Sorghastrum Nash - Indiangrass

Species

Sorghastrum nutans (L.) Nash - Indiangrass

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