Pink Muhly Grass Plant Care

Muhlenbergia capillaris Trin.

Muhlenbergia capillaris, commonly known as the hairawn muhly, is a perennial sedge-like plant that grows to be about 30–90 cm (0.98–2.95 ft) tall and 60–90 cm (2.0–3.0 ft) wide. The plant includes a double layer; green, leaf-like structures surround the understory, and purple-pink flowers outgrow them from the bottom up.

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Water

Every 7–14 days

Light

Full sun to partial shade

Temp

60–85°F

Humidity

40–70%

What Is the Pink Muhly Grass?

Pink Muhly Grass (Muhlenbergia capillaris) belongs to the Poaceae family within the Muhlenbergia genus. Pink Muhly Grass is native to eastern North America and can be used for a multitude of purposes, including ornamental gardening and farming. Pink Muhly Grass is also known as Hairawn Muhly, Annual Muhly.

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

Leaf size: approximately 12 inches.

How Often Should You Water a Pink Muhly Grass?

Muhlenbergia capillaris 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 Pink Muhly Grass Need?

Pink Muhly Grass thrives in full sun to partial shade light conditions. The optimal light range is 200–1000 lux. Avoid placing Pink Muhly Grass in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Full sun to partial shade

200–1000 lux

What Temperature and Humidity Does the Pink Muhly Grass Prefer?

Muhlenbergia capillaris grows best at temperatures between 60°F and 85°F. Pink Muhly Grass prefers humidity levels of 40–70%.

Temperature

60–85°F

Humidity

40–70%

What Soil Mix Works Best for a Pink Muhly Grass?

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

How Do You Repot a Pink Muhly Grass?

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 Pink Muhly Grass?

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

Fertilizing

Every 8 months

During the growing season

Is the Pink Muhly Grass Toxic to Pets and Children?

Non-Toxic

Non-toxic to humans and pets

What Pests and Diseases Affect the Pink Muhly Grass?

Pink Muhly Grass 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.

What USDA Hardiness Zone Does the Pink Muhly Grass Need?

Pink Muhly Grass grows outdoors in USDA Zone 13a. Native to eastern North America and can be used for a multitude of purposes, including ornamental gardening and farming, Pink Muhly Grass is adapted to warm climates. In cooler regions, grow Pink Muhly Grass as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13a

Keep exploring plants

Pink Muhly Grass 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.

Pink Muhly Grass tolerates low-light rooms and shaded spots — browse the full list of low-light plants.

More Muhlenbergia Species

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

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