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Muhly Grass (Muhlenbergia capillaris) growing in South Florida
Florida NativeFFL QualifiedGrade Florida

Muhly Grass — South Florida Plant Guide

Muhlenbergia capillaris

Family: Poaceae · Grass

Landscape Uses

mass plantingaccentborderslope stabilizationrain gardenright of waymedianbutterfly garden

Style Tags

florida nativenaturalisticseasonal accentlow maintenancewildlife friendly

South Florida Growing Guide

Light Requirements

Full Sun

Water Requirements

Low1/10

Once established (12–18 months), Muhly Grass is drought-tolerant and requires minimal supplemental irrigation in South Florida.

Extremely drought tolerant — one of the lowest water-demand plants in South Florida. Irrigation only during establishment (3-6 months). After establishment, zero supplemental irrigation typically needed. Overwatering causes disease and loss of form.

Soil and Fertilization

sandylimestonerockyfill

Fertilizer: Low-phosphorus native plant fertilizer or none

Schedule: Light native fertilizer in February if desired — often unnecessary.

Salt Tolerance

Moderate (6/10) — some protection from direct spray recommended
Mature Height
24 ft
Mature Width
24 ft
Growth Rate
medium
Water Demand
1/10
Florida Grade
Florida
Installed Cost
$
USDA Zones
7a, 7b, 8a, 8b, 9a, 9b, 10a, 10b, 11
FLEPPC Status
None
Iguana Rating
8/10

Where to Buy in South Florida

Find Muhly Grass at South Florida nurseries — check availability and pricing at nurseries near you.

Frequently Asked Questions

How fast does Muhly Grass grow in South Florida?

Muhly Grass has a medium growth rate. In South Florida's warm, humid climate it typically establishes quickly with proper watering and fertilization.

Is Muhly Grass safe for pets?

Yes, Muhly Grass is considered pet-safe. Non-toxic. Native grass — no concerns.

How much water does Muhly Grass need in South Florida?

Low water needs (1/10). Once established (12–18 months), Muhly Grass is drought-tolerant and requires minimal supplemental irrigation in South Florida.

Can Muhly Grass tolerate salt air in South Florida?

Muhly Grass has moderate salt tolerance (6/10). It can handle some coastal exposure but should be protected from direct ocean spray.

Is Muhly Grass available in Miami-Dade County?

In Miami-Dade County, Muhly Grass is classified as: protected. Florida native — HOA cannot prohibit.

County Availability in South Florida

Miami-Dade County

Protected

Florida native — HOA cannot prohibit. FFL program featured plant.

USDA Zone 10a–11. Tropical climate, year-round warmth and humidity.

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Broward County

Protected

Florida native — protected. FFL and native landscape standard.

USDA Zone 10a–10b. Subtropical with warm winters and wet/dry seasons.

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Palm Beach County

Protected

Native — protected. Median and right-of-way standard plant.

USDA Zone 9b–10b. Transitional zone with occasional winter cold in north.

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Collier County

Protected

Native — protected. Collier right-of-way and native landscape required.

USDA Zone 10a–10b. Subtropical Gulf Coast with seasonal flooding.

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Monroe County

Protected

Native — protected. Good for Keys upland locations.

USDA Zone 11. Tropical maritime, highest salt exposure of all 5 counties.

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Full ordinance references and permit requirements available to Professional subscribers. Always verify current county requirements before installation.

Need a Spec Sheet?

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Ask about Muhly Grass

Get answers grounded in UF/IFAS research and South Florida landscape data.