North America Native Plant

Redtop Panicgrass

Botanical name: Panicum rigidulum var. rigidulum

USDA symbol: PARIR

Life cycle: perennial

Habit: grass

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

Synonyms: Panicum agrostoides Spreng. (PAAG)  âš˜  Panicum agrostoides Spreng. var. condensum (Nash) Fernald (PAAGC)  âš˜  Panicum agrostoides Spreng. var. ramosius (C. Mohr) Fernald (PAAGR2)  âš˜  Panicum condensum Nash (PACO19)  âš˜  Panicum elongatum Pursh var. ramosius C. Mohr (PAELR)  âš˜  Panicum rigidulum Bosc ex Nees var. condensum (Nash) Mohlenbr. (PARIC2)   

Redtop Panicgrass: A Versatile Native Grass for Natural Landscapes If you’re looking to add authentic native character to your landscape while supporting local ecosystems, redtop panicgrass (Panicum rigidulum var. rigidulum) might just be the unsung hero your garden needs. This hardy perennial grass brings subtle beauty and ecological benefits to ...

Rare plant alert!

Region: New Jersey

Status: Highlands Listed, SH: New Jersey Highlands region ⚘ Possibly Extinct: Known only from historical occurrences. Still some hope of rediscovery ⚘

Redtop Panicgrass: A Versatile Native Grass for Natural Landscapes

If you’re looking to add authentic native character to your landscape while supporting local ecosystems, redtop panicgrass (Panicum rigidulum var. rigidulum) might just be the unsung hero your garden needs. This hardy perennial grass brings subtle beauty and ecological benefits to naturalized plantings across much of North America.

What is Redtop Panicgrass?

Redtop panicgrass is a native perennial grass that forms attractive clumps with fine-textured foliage and delicate, airy seed heads. Don’t let the common name fool you – while it’s called redtop, the appeal of this grass goes far beyond any colorful display. This is a grass that works hard behind the scenes, providing structure, texture, and ecological value to your landscape.

Where Does It Naturally Grow?

This adaptable grass has an impressive native range, naturally occurring throughout much of North America. You’ll find it growing wild across the eastern and central United States, from Maine down to Florida and west to Texas, as well as in several Canadian provinces including British Columbia and Ontario. It even calls Puerto Rico home!

The extensive geographical distribution includes: Alabama, Arkansas, California, Connecticut, Delaware, District of Columbia, Florida, Georgia, Illinois, Indiana, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Mississippi, Missouri, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Vermont, Virginia, West Virginia, and Wisconsin.

Important Conservation Note

Before you rush out to plant redtop panicgrass, there’s something important to know: this species has special conservation status in New Jersey, where it’s listed as rare (Highlands Listed, SH). If you live in New Jersey or surrounding areas, make sure to source your plants responsibly from reputable native plant nurseries rather than collecting from wild populations. This helps protect remaining natural stands while still allowing you to enjoy this wonderful grass in your garden.

Why Grow Redtop Panicgrass?

Here’s where redtop panicgrass really shines as a garden plant:

  • True native credentials: This isn’t just native somewhere – it’s likely native to your specific region
  • Low maintenance: Once established, it pretty much takes care of itself
  • Adaptable nature: Tolerates various soil types and moisture conditions
  • Wildlife value: Seeds provide food for native birds
  • Natural beauty: Adds texture and movement to plantings with its graceful seed heads
  • Erosion control: Helps stabilize soil with its root system

Perfect Garden Settings

Redtop panicgrass works beautifully in several types of landscapes:

  • Prairie gardens: Blends seamlessly with wildflowers and other native grasses
  • Rain gardens: Handles varying moisture levels like a champ
  • Naturalized areas: Perfect for that wild meadow look
  • Native plant gardens: An authentic addition to regionally appropriate plantings
  • Restoration projects: Helps re-establish native plant communities

Growing Conditions and Care

One of the best things about redtop panicgrass is how easygoing it is. This grass adapts to a wide range of conditions:

  • Sunlight: Full sun to partial shade (though it performs best in full sun)
  • Soil: Not picky – adapts to various soil types
  • Moisture: Flexible with water needs, from average to somewhat wet conditions
  • Hardiness zones: Thrives in USDA zones 3-9
  • Maintenance: Cut back in late winter or early spring before new growth begins

Planting and Establishment Tips

Getting redtop panicgrass established in your garden is straightforward:

  • Plant in spring or fall for best establishment
  • Water regularly the first season until roots are established
  • Once established, it’s quite drought tolerant
  • Allow some plants to self-seed if you want natural spreading
  • Divide clumps every few years if desired, though it’s not necessary

Wildlife and Ecological Benefits

While redtop panicgrass might not be the showiest plant in your garden, it’s definitely pulling its weight ecologically. The seeds provide important food for various bird species, and the grass structure offers shelter for small wildlife. As a native species, it supports the complex web of relationships that have evolved over thousands of years in North American ecosystems.

The Bottom Line

Redtop panicgrass may not win any flashy flower contests, but it’s exactly the kind of reliable, authentic native plant that forms the backbone of successful natural landscapes. If you’re creating prairie gardens, rain gardens, or naturalized areas, this adaptable grass deserves serious consideration. Just remember to source it responsibly, especially if you’re in areas where it has conservation significance.

Sometimes the best garden plants are the ones that work quietly behind the scenes, and redtop panicgrass does exactly that – providing structure, supporting wildlife, and connecting your landscape to the natural heritage of your region.

Redtop Panicgrass

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

Panicum L. - panicgrass

Species

Panicum rigidulum Bosc ex Nees - redtop panicgrass

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