North America Non-native Plant

Rice

Botanical name: Oryza sativa

USDA symbol: ORSA

Life cycle: annual

Habit: grass

Native status: Non-native, reproduces and persists in the wild in the lower 48 states âš˜ Non-native, reproduces and persists in the wild in Pacific Basin excluding Hawaii âš˜ Non-native, reproduces and persists in the wild in Puerto Rico âš˜ Non-native, reproduces and persists in the wild in the U.S. Virgin Islands  

Synonyms: Oryza sativa L. var. fatua Prain (ORSAF)   

Rice in Your Garden? Why This Wetland Grass Isn’t Your Typical Landscape Choice When most people think of rice (Oryza sativa), they picture vast flooded fields in agricultural regions, not backyard gardens. And there’s a good reason for that! While rice is one of the world’s most important food crops, ...

Rice in Your Garden? Why This Wetland Grass Isn’t Your Typical Landscape Choice

When most people think of rice (Oryza sativa), they picture vast flooded fields in agricultural regions, not backyard gardens. And there’s a good reason for that! While rice is one of the world’s most important food crops, it’s not exactly what you’d call garden-friendly for the average homeowner.

What Exactly Is Rice?

Rice is an annual grass that belongs to the same family as your lawn grass, though it behaves quite differently. This non-native species was originally introduced from Asia and has since established itself in the wild across many U.S. states, particularly in the South and parts of the West Coast.

You can find rice growing (both cultivated and wild) in Alabama, Arkansas, California, Georgia, Illinois, Louisiana, Mississippi, Missouri, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, Virginia, and several U.S. territories including Guam, Palau, Puerto Rico, and the Virgin Islands.

Why Rice Probably Isn’t Right for Your Garden

Here’s the thing about rice – it’s what botanists call an obligate wetland plant. That means it almost always needs to grow in wetlands or constantly flooded conditions. Unless you’re planning to flood your backyard (which we don’t recommend!), rice simply won’t thrive in typical garden settings.

Rice requires:

  • Constantly saturated or flooded soil
  • Full sun exposure
  • Warm growing conditions (USDA zones 8-11)
  • Specialized planting and water management techniques

Wildlife Benefits

While rice might not work in your garden, it does provide some benefits to wildlife in wetland areas. Water birds rely on rice for about 5-10% of their diet, while terrestrial birds get 10-25% of their nutrition from rice seeds. However, birds don’t typically use rice plants for cover or nesting.

Better Native Alternatives for Wetland Gardens

If you’re interested in creating a water garden or have a naturally wet area in your landscape, consider these native wetland grasses instead:

  • Wild rice (Zizania species) – truly native and excellent for wildlife
  • Sedges (Carex species) – beautiful texture and great for rain gardens
  • Native rushes (Juncus species) – perfect for pond edges
  • Switchgrass (Panicum virgatum) – tolerates wet conditions and provides habitat

The Bottom Line

While rice is an incredible crop that feeds billions of people worldwide, it’s not practical or suitable for typical home gardens. Its need for flooded conditions makes it nearly impossible to grow successfully in standard landscape settings. If you’re drawn to grasses or interested in wetland gardening, you’ll have much better luck with native alternatives that provide similar benefits without the specialized requirements.

Save the rice for your dinner plate and choose native wetland plants that will thrive in your garden while supporting local wildlife!

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

Average 10-25% of diet

Occasional source of cover

Water birds

5-10% of diet

Infrequently used as cover

Sources:

Yarrow, G.K., and D.T. Yarrow. 1999. Managing wildlife. Sweet Water Press. Birmingham.Martin, A.C., H.S. Zim, and A.L. Nelson. 1951. American wildlife and plants: A guide to wildlife food habits. Dover Publications. New York.

Rice

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

Oryza L. - rice

Species

Oryza sativa L. - rice

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