Tall Fescue

Schedonorus arundinaceus · Cool-season, Perennial, C3 grass, highly well-adapted to the transition zone

Tall Fescue

Grass Family

Poaceae, subfamily Pooideae, tribe Poeae

Grass Category

Lawn/Turf Grass, Pasture, and Erosion Control

Variety / Cultivar

Kentucky-31 (K-31), widely used for utility and solar farm ground cover

Hardiness Zones

Thrives in USDA Hardiness Zones 4 through 9. Excellent heat tolerance for a cool-season grass, highly suitable for the transition zone, and goes semi-dormant during extreme summer heat or drought.

About This Grass

Tall Fescue is a robust, bunch-forming cool-season grass with coarse texture and deep green color. Unmowed, it can reach heights of 2 to 4 feet with open, panicle-type seed heads. In the image, it is seen growing underneath solar panels under semi-managed conditions, showing drought stress and stubble from previous management.

Blade Characteristics

Blades are medium to coarse in width (4-8mm), flat with prominent parallel veins on the upper surface and a smooth lower surface, pointed tips, rolled vernation in the bud, a distinct membranous ligule, and prominent claw-like auricles that clasp the stem.

Root System

Deep fibrous root system going down several feet, providing exceptional drought tolerance and stability. Low to moderate thatch tendency, establishes relatively quickly from seed and forms a tough, durable sod.

Growing Information

Origin Region

Native to Europe, widely cultivated throughout North America, particularly in the transition zone and cool-humid regions

Growth Habit

Bunch-type grass with short, weak rhizomes, forming moderately dense clumps with a tendency to fill in slowly over time

Sunlight & Water Needs

Performs best in full sun to partial shade (very shade tolerant compared to other cool-season grasses). Requires moderate watering for lush growth but exhibits superior drought resistance due to deep roots; prefers well-drained loamy soils with pH between 5.5 and 6.5.

Mowing & Maintenance

Ideal mowing height ranges from 2.5 to 4 inches. Low to medium maintenance level; requires fertilization of 2-4 lbs N per 1000 sq ft annually, occasional aeration, and overseeding to maintain density in thinning areas.

Special Characteristics

High traffic and wear tolerance, good resistance to common turf diseases, moderate salt tolerance, excellent shade tolerance, and superior erosion control due to deep root structure.

Ecological Information

Introduced species widely used for soil stabilization in disturbed sites, utility-scale solar farms, and pastures. Provides good wildlife cover and erosion prevention, with low invasive tendencies in managed environments.

Identified on 8/28/2026