Plant Encyclopedia

Undaunted Ruby Muhly Grass

Muhlenbergia reverchonii ‘Undaunted’

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Undaunted Ruby Muhly Grass, pink fuzzy ends with a green base

Discover More Information On Undaunted Ruby Muhly Grass

Are you looking for a way to bring some late-season color into your landscape? The Undaunted Ruby muhly grass (Muhlenbergia reverchonii ‘Undaunted’) is the perfect option for your garden. Don’t miss out on adding the Undaunted Ruby muhly grass to your outdoor spaces.

Plant Attributes

The Undaunted Ruby muhly grass is often known as seep muhly. This muhly is hardier than other muhly species. Before the fall show, the Undaunted Ruby puts on a spring and summer performance with its greenish foliage. By early fall, the Undaunted Ruby muhly grass becomes a showstopper. The flowering red plumes rise above the foliage and create a rich display of color. The Undaunted Ruby continues its colorful show through the fall. As other plants and shrubs are fading into dormancy, this native grass gives your space some intensity for the season. In winter, the seed spikes and foliage turn into a soft shade of tawny brown. With a fresh dusting of snow, this ornamental grass is sure to stand out.

Landscape Use

This hardy ornamental grass can be used in numerous ways around your landscape. Its rounded form makes this grass the perfect choice for irregularly shaped spots in your yard. When fall arrives, you can add a boost of ruby tones to those dull areas. The Undaunted Ruby is the ideal option as an accent plant in those perennial flower beds. With its airy texture, the muhly grass elevates the look of your perennials without overwhelming the space. Once other perennials have faded for the season, the Undaunted Ruby muhly grass works hard to produce color for those chillier months.

If you want to create a soft and bright hedge, make sure to choose the Undaunted Ruby muhly grass. You can line the boundaries of your property or garden beds for an impressive border. Since it has a compact growing habit, it is the perfect selection to edge those spaces.

For those patios and seating spaces, add a clump to both sides of these areas. The Undaunted Ruby muhly grass is sure to add some interest throughout the year. Many people choose to plant several of the muhly grasses throughout their gardens and yards. Two or three of these colorful clumps add a little elegance to your outdoor space. In your landscape, this ornamental grass makes a distinctive accent piece. When the rest of your yard is ablaze in fall colors, the Undaunted Ruby shows off its reddish-pink tones. As a mass planting, this muhly grass looks spectacular as it creates a field of airy seed heads.

For more ideas around your landscape, you should think about adding this native grass to a container garden. It looks radiant as a thriller in a thriller-spiller combination. The Undaunted Ruby muhly grass is also deer resistant. You can plant it throughout your outdoor spaces without worrying about hungry deer munching on the grass.

Planting & Care

This muhly grass is a low-maintenance plant that you need for your native gardens. It can survive in USDA hardiness zones 5 to 9. If you want to keep this muhly grass happy, it should be planted in areas with well-draining soil and full sunshine. This grass can tolerate droughts and soggy soils for a short amount of time. You should add a layer of mulch around the base to help keep away weeds from this grass. Other than that, this native grass does not require much care from you. All you have to do is plant it and enjoy the colors throughout the year.

Additional Information

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Undaunted Ruby Muhly Grass


The muhly grass puts on an impressive late summer or early fall display of see-through ruby plumes. When the rest of your landscape presents a beautiful show of fall colors, the Undaunted Ruby muhly grass shines with its reddish hues. You can add this grass to just about any space, and it doesn’t require too much work from you. If you are ready to purchase this beauty for your landscape, make sure to reach out to Arbor Valley Nursery. We have a large selection of grasses, shrubs, plants, and flowers. Our team is ready to make your landscape shine throughout the year. Please take a few minutes to fill out the contact form.

Plant Features

  • Watering Needs: Water regularly – weekly, or more often in extreme heat.
  • Botanical Pronunciation: mew-len-BERG-gee-uh rev-er-SHON-ee-eye
  • Deciduous/evergreen: Herbaceous
  • Growth rate: Fast
  • Average landscape size: Fast growing; 2-3’ tall and wide
  • Special features: Clump Forming, Easy Care, Fall Color, Naturalizes Well, North American Native Selection, Waterwise, Year-round Interest, Fast Growing, Bird Friendly
  • Dramatic Foliage: Color, Easy Care
  • Foliage color: Green
  • Blooms: Fall
  • Flower color: Red
  • Flower attributes: Showy plumes
  • Garden style: Contemporary, Rustic
  • Design Ideas: Wonderful planted in mass with a solid wall background to highlight the flowers. Also attractive planted out in the open next to a pond or pool. The delicate, airy flowers wave and shimmer in the wind. This plant is versatile and can be mixed into ornamental or native landscape designs.
  • Companion Plants: Achillea, Rudbeckia, Helenium, Asters, Monarda, Perovskia, Phlox, and Oriental Lilies

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