North America Native Plant

Pullup Muhly

Botanical name: Muhlenbergia filiformis

USDA symbol: MUFI2

Life cycle: annual

Habit: grass

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

Synonyms: Muhlenbergia filiformis (Thurb. ex S. Watson) Rydb. var. fortis E.H. Kelso (MUFIF)  âš˜  Muhlenbergia idahoensis H. St. John (MUID)  âš˜  Muhlenbergia simplex (Scribn.) Rydb. (MUSI2)   

Pullup Muhly: A Delicate Native Grass for Wet Areas If you’re looking for a native grass that adds delicate texture to wet spots in your garden, pullup muhly (Muhlenbergia filiformis) might be just the plant you need. This charming annual grass brings an airy, naturalistic feel to landscapes while supporting ...

Pullup Muhly: A Delicate Native Grass for Wet Areas

If you’re looking for a native grass that adds delicate texture to wet spots in your garden, pullup muhly (Muhlenbergia filiformis) might be just the plant you need. This charming annual grass brings an airy, naturalistic feel to landscapes while supporting local wildlife and handling those tricky moist areas where other plants might struggle.

What is Pullup Muhly?

Pullup muhly is a native North American annual grass that’s as delicate as its name suggests. True to its graminoid nature, this grass produces fine, thread-like foliage and wispy seed heads that dance in the slightest breeze. Don’t let its delicate appearance fool you though – this little grass is perfectly adapted to handle wet conditions that would challenge many other plants.

You might also encounter this plant under its scientific synonyms, including Muhlenbergia simplex or Muhlenbergia idahoensis, but pullup muhly is the name that’s stuck in most gardening circles.

Where Does Pullup Muhly Grow?

This native beauty has quite an impressive range across North America. You’ll find pullup muhly naturally growing from British Columbia down through the western United States, including Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, and Wyoming. It also extends eastward into the Great Plains states of Kansas, Nebraska, North Dakota, and South Dakota.

The fact that pullup muhly thrives across such diverse regions – from the Arid West to the Great Plains to the Western Mountains – speaks to its adaptability and resilience.

Why Grow Pullup Muhly?

There are several compelling reasons to consider adding this native grass to your landscape:

  • Wetland warrior: Pullup muhly has a facultative wetland status across all regions, meaning it excels in wet conditions but can handle drier spots too
  • Wildlife support: The seeds provide food for birds and small mammals, while the fine foliage offers nesting material and habitat
  • Low maintenance: As an annual, it completes its life cycle in one season and often self-seeds for next year
  • Native credentials: Supporting local ecosystems by planting natives is always a win
  • Textural interest: The fine, delicate appearance adds wonderful contrast to bolder plants

Perfect Garden Settings

Pullup muhly shines in several garden situations:

  • Rain gardens: Its wetland tolerance makes it perfect for areas that collect runoff
  • Native plant gardens: A natural choice for authentic regional plantings
  • Restoration projects: Helps restore natural grassland and wetland communities
  • Naturalized areas: Creates that wild meadow look in informal landscapes
  • Pond margins: Softens the edges of water features with its delicate texture

Growing Conditions and Care

One of pullup muhly’s best features is how easy it is to grow, especially if you’ve got the right conditions:

Sunlight: Prefers full sun but tolerates partial shade
Soil: Thrives in moist to wet soils, handles seasonal flooding
Hardiness: Grows in USDA zones 3-9
Water: Loves consistent moisture but established plants can handle some drought

Planting and Care Tips

Getting pullup muhly established is refreshingly straightforward:

  • When to plant: Direct seed in fall or early spring when soil is naturally moist
  • Planting depth: Barely cover seeds with soil – they need light to germinate
  • Spacing: Allow plants to naturalize and fill in spaces organically
  • Watering: Keep soil consistently moist during germination, then let nature take over
  • Maintenance: Minimal care needed – this grass knows how to take care of itself

The beauty of working with an annual like pullup muhly is that it will often self-seed, creating naturalistic drifts that change slightly from year to year. This keeps your garden looking fresh and allows the plant to find its favorite spots.

Is Pullup Muhly Right for Your Garden?

Pullup muhly is an excellent choice if you’re looking to create authentic native plantings, need something for wet areas, or want to support local wildlife with minimal effort. Its delicate texture and easy-care nature make it a valuable addition to naturalistic gardens.

However, if you prefer more formal, controlled plantings or need guaranteed perennial structure, you might want to pair pullup muhly with some native perennial grasses or consider it as a charming annual accent rather than a garden backbone.

Either way, this little native grass proves that sometimes the most unassuming plants can make the biggest difference in creating beautiful, sustainable landscapes that truly belong in their place.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Arid West

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Atlantic and Gulf Coastal Plain

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Great Plains

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Midwest

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Western Mountains, Valleys, and Coast

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Pullup Muhly

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

Muhlenbergia Schreb. - muhly

Species

Muhlenbergia filiformis (Thurb. ex S. Watson) Rydb. - pullup muhly

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