Lawn Grasses

Bouteloua dactyloides

Buffalo Grass

PoaceaeNorth America

At a Glance

TypeGrass
Habitlow-growing mat-forming
Foliagedeciduous
Height2-6 inches
Widthspreads indefinitely by stolons

Growing Zones

USDA Hardiness Zones

3a - 9b
Zone 3a
Zone 3b
Zone 4a
Zone 4b
Zone 5a
Zone 5b
Zone 6a
Zone 6b
Zone 7a
Zone 7b
Zone 8a
Zone 8b
Zone 9a
Zone 9b
These zones indicate the coldest temperatures this plant can typically survive.
Frost Tolerancehardy

Overview

Bouteloua dactyloides is a low-growing, warm-season perennial grass that forms dense mats through stolons and fine roots. This native prairie grass typically reaches only 4-6 inches in height when unmowed, with narrow, blue-green to gray-green leaves that are 1-2 mm wide and curl slightly during dry periods. The grass produces distinctive seed heads from May through August, featuring 2-4 short, curved spikes that resemble small flags. The most remarkable characteristic of Bouteloua dactyloides is its exceptional drought tolerance and ability to go dormant during extended dry periods, turning golden-brown but remaining alive underground. During favorable moisture conditions, it quickly returns to its characteristic blue-green color. This dioecious grass has separate male and female plants, with male plants producing more conspicuous seed heads. The extensive root system can extend 5-7 feet deep, making it extremely efficient at accessing soil moisture and contributing to its legendary drought resistance.

Native Range

Bouteloua dactyloides is native to the Great Plains of North America, ranging from southern Canada through central United States to northern Mexico. Its natural habitat extends from Montana and North Dakota south to Texas and New Mexico, thriving in the mixed-grass and shortgrass prairie ecosystems.

Suggested Uses

Bouteloua dactyloides works exceptionally well as a drought-tolerant lawn alternative, particularly in areas with limited water availability. It's ideal for xeriscaping, prairie restoration projects, and naturalized areas. The grass serves well as groundcover for slopes and areas difficult to irrigate, and provides excellent erosion control. Buffalo grass is perfect for low-traffic recreational areas, meadow gardens, and wildlife habitat creation. It pairs beautifully with native wildflowers in mixed prairie plantings.

How to Identify

Bouteloua dactyloides can be identified by its extremely low growth habit, rarely exceeding 6 inches in height, and its distinctive blue-green to gray-green narrow leaves that curl during dry conditions. The characteristic seed heads consist of 2-4 short, curved spikes arranged like small flags at the tip of slender stems. Unlike other lawn grasses, buffalo grass spreads by surface stolons that root at nodes, creating a dense, uniform mat. During drought stress, it turns golden-brown but recovers quickly with moisture, distinguishing it from dead grass.

Appearance

Bloom Information

late spring through late summer

Detailed Descriptions

Foliage Description

blue-green to gray-green, turning golden-brown when dormant

Growing Conditions

Sun Requirements

full sun

Soil pH

6.5-8.5

Water & Climate

Water Needs

low to very low

Frost Tolerance

hardy

Time to Maturity

1-2 years

Care & Maintenance

Care Guide

Bouteloua dactyloides requires minimal care once established, making it an excellent low-maintenance lawn alternative. Water deeply but infrequently during the first growing season to encourage deep root development, then rely primarily on natural rainfall. This grass actually performs better with less water - overwatering can lead to thatch buildup and disease issues. Fertilize sparingly if at all, as excessive nitrogen promotes unwanted growth and reduces drought tolerance. The grass naturally goes dormant during hot, dry periods and cold winter months, requiring no supplemental irrigation during dormancy.

Pruning

Bouteloua dactyloides requires minimal mowing when used as a lawn grass. If desired for a more manicured appearance, mow to 2-3 inches height no more than 2-3 times per growing season. Many homeowners choose never to mow, allowing the grass to maintain its natural 4-6 inch height. Avoid mowing during dormant periods when the grass is brown. Remove any accumulated thatch in early spring before new growth begins, though this is rarely necessary with proper management.

⚠️ Toxicity Warning

Bouteloua dactyloides is non-toxic to humans, pets, and livestock. In fact, it has historically been an important forage grass for grazing animals including buffalo, cattle, and other wildlife. The grass is safe for children and pets to play on and poses no health concerns when used as a lawn substitute.