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Landscaping

Native Grasses for Low-Water Colorado Lawns

A native grass lawn runs on a fraction of bluegrass water — if you accept a different look and rhythm. Here are the three species that work and the tradeoffs in plain terms.

Published
August 15, 2026
Reading
8 min
By
BigBoy Builders

The Deal You're Making

A native grass lawn is a genuine option on the Front Range, not a compromise — but it's a different product than bluegrass, and conversions go best when that's understood up front. You're trading the deep-green carpet look and long green season for a soft prairie turf that lives on rainfall in a normal year, needs mowing a handful of times per summer, and asks almost nothing else.

The three species that do the work:

Buffalograss shrub

Buffalograss

Bouteloua dactyloides

Height
4–8 inches unmowed
Width
Spreads by stolons
Sun
Full sun
Water
Very low
Bloom
Warm-season turf

The only native that behaves like a true lawn grass — it spreads by surface runners into a soft, gray-green, walkable turf. Established buffalograss survives on precipitation in a typical year and tolerates kids and dogs better than its delicate look suggests.

It wants full sun and goes golden-dormant from October to May. That dormant color is the tradeoff to make peace with before converting.

Blue Grama shrub

Blue Grama

Bouteloua gracilis

Height
6–12 inches unmowed
Width
Bunch-forming
Sun
Full sun
Water
Very low
Bloom
Summer, eyelash seed heads

Colorado's state grass, instantly recognizable by seed heads that hang like eyelashes. Mixed with buffalograss it fills a lawn out and speeds establishment; left unmowed it reads as a soft meadow rather than turf.

It's a bunchgrass, so blends lean on buffalograss for the knit and blue grama for density and quick cover.

Little Bluestem shrub

Little Bluestem

Schizachyrium scoparium

Height
18–36 inches
Width
12–18 inch clumps
Sun
Full sun
Water
Very low
Bloom
Ornamental, coppery fall color

Not a mowing lawn — little bluestem is the accent and edge grass for native lawn projects: blue-green columns all summer, glowing copper-red through fall and winter. Use it in drifts along borders and slopes where the lawn transitions to beds.

It asks for nothing but sun and drainage, and it's at its best left standing all winter.

Native Lawn vs. Bluegrass, Honestly

FactorBuffalograss/blue grama lawnKentucky bluegrass lawn
Summer water0–1 soakings per month, most years2–3 waterings per week
Green seasonMid-May to early OctoberApril to November
MowingOptional; a few times per seasonWeekly
LookSoft, fine, gray-green prairie turfDense, dark, uniform carpet
TrafficGood once establishedExcellent, self-repairing
ShadePoor — full sun onlyPoor to fair
Establishment1–2 seasons of patience, real weed pressureFast from sod
FertilizerLittle to noneRegular program

Establishment Is the Whole Project

Native lawns are cheap to run and demanding to start. Warm-season seed wants soil above 60°F — late May through June seeding, not the fall window used for bluegrass and fescue. The first season is a weed fight: everything in the soil bank germinates alongside your grama, and the natives are slower out of the gate. Plan on a full season of patience, spot-weeding, and light establishment irrigation, and a second season for the turf to close ranks. Buffalograss plugs or sod shortcut the ugly year where budget allows.

Questions / Field Notes

Frequently asked questions

Curious what your yard would save?

BigBoy converts full-sun sections to native turf — soil prep, seeding or plugs, establishment care, and clean transitions to the lawn you keep.

When it's past DIY

The services this connects to.

In practice

Where we've done it.

Built different.

Questions this guide didn't answer?

Give us a shout — if it's outside our lane, we'll say so.

You talk to the person doing the work.