Andean Muhly Plant Care

Muhlenbergia andina Hitchc.

Updated · Sources · How we source care data

Muhlenbergia andina, known by the common name foxtail muhly, is a species of grass.

🌾Grains & Cereals🎋Grasses & Bamboo
Water

Every 7–14 days

Light

Full sun to partial shade

Temp

60–85°F

Humidity

40–70%

At a glance

How do you care for Andean Muhly?

Water Andean Muhly every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 60–85°F (16–29°C) and 40–70% humidity. Fertilize it every 8 months during the growing season.

What Is the Andean Muhly?

Andean Muhly (Muhlenbergia andina) belongs to the Poaceae family within the Muhlenbergia genus.

Andean Muhly displays an upright, clumping grass growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Andean Muhly produces small, inconspicuous flowers in spikelets.

Leaf size: approximately 12 inches.

How Often Should You Water a Andean Muhly?

Muhlenbergia andina requires watering every 7–14 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.

Watering Frequency

Every 7–14 days

Let soil partially dry between waterings

What Light Does the Andean Muhly Need?

Andean Muhly thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Andean Muhly Prefer?

Muhlenbergia andina grows best at temperatures of 60–85°F. Andean Muhly prefers humidity levels of 40–70%.

Temperature

60–85°F

Humidity

40–70%

What Soil Mix Works Best for a Andean Muhly?

Well-draining sandy soil with good aeration. Good drainage is essential for Andean Muhly to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Andean Muhly?

Feed Andean Muhly every 8 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.

Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.

Fertilizing

Every 8 months

During the growing season

The PlantoScan app can remind you when to water and when to fertilize each plant.

How Do You Repot a Andean Muhly?

Divide and repot every 2-3 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.

How Do You Propagate a Andean Muhly?

Andean Muhly can be propagated through seeds, division of clumps. Similar propagation techniques also apply to pink muhly grass plant care, which shares the same genus.

Is the Andean Muhly Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Andean Muhly, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.

This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.

See all plants toxic to cats and plants toxic to dogs.

What Pests and Diseases Affect the Andean Muhly?

Andean Muhly is susceptible to grasshoppers, aphids, spider mites. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.

What USDA Hardiness Zone Does the Andean Muhly Need?

Andean Muhly grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. In cooler regions, grow Andean Muhly as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13a

Keep exploring plants

Andean Muhly is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.

It belongs to the Muhlenbergia genus — compare its care with other Muhlenbergia species on PlantoScan.

Muhlenbergia is part of the Poaceae plant family — browse all Poaceae genera and species.

Andean Muhly thrives in bright light and direct sun — see other bright-light plants.

More Muhlenbergia Species

Other Muhlenbergia species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Sources

  • Scientific name & taxonomy: Muhlenbergia andina Hitchc., family Poaceae (first published in Bull. U.S.D.A. 772: 14 (1920)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Andean Muhly, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
  • Hardiness zone: USDA Zone 13a, calculated from the plant's minimum temperature.
  • Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.

Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.

PlantoScan app icon

Identify Plants Like the
Andean Muhly Instantly

Scan any plant with your phone camera and get instant ID, care tips, water and fertilizer reminders, and health checks — all in one app.

Download on the App StoreGet it on Google Play

Free

to download

iOS & Android

platforms

Light & dark

mode

100,000+

species