Barnyard Grass is an annual grown for the harvest. It's hardy across USDA zones 3 through 11 and grows just as well in a container as in the ground. As a grass, give it a fresh bed each year — away from where its relatives just grew — so the soil-borne pests and diseases of the family never get a foothold.
Zones
3-11
pH Range
4.8-8.2
Sun
Full Sun
Days to Maturity
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Score Barnyard Grass on your exact land.
Zone averages can't see the slope, soil, frost, and sun that decide whether barnyard grass actually takes — and those shift from one yard to the next. Enter your address and we'll score barnyard grass against your land's real conditions.
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See Barnyard Grass
What Barnyard Grass is
Barnyard Grass grows as an annual. It's also well suited to containers.
How to grow Barnyard Grass
Barnyard Grass grows in USDA zones 3 through 11. Barnyard Grass does best in full sun — at least 6 hours of direct sun a day — and soil from pH 4.8 to 8.2, on consistently moist ground. It needs a growing season of at least 120 frost-free days, which is why climate matters as much as soil.
USDA Zones
3-11
USDA PHZM 2023
Soil pH
4.8 - 8.2
USDA PLANTS Database
Sun
Full Sun
plant_species_v5.csv
Drainage
poorly (saturated >50% of year)
plant_species_v5.csv
Frost Tolerance
35.6°F
plant_species_v5.csv
Frost-Free Days
120+
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Start the season right
Plant barnyard grass in full sun with at least 6 hours of direct sun, once the soil has warmed and frost risk has passed.
Match the soil
Barnyard Grass prefers pH 4.8 to 8.2 (USDA PLANTS Database). A quick soil test from your local Extension lab tells you whether to add lime or sulfur to land in band.
Water steadily
Keep the root zone evenly moist through establishment. Match watering to the plant's drainage preference and your local rainfall.
Harvest at maturity
Watch for cultivar-specific ripeness cues and pick at peak. Local Cooperative Extension guides publish timing tables.
Good to know
Good news for pet owners — barnyard grass isn't known to be toxic to dogs or cats. (Source: ASPCA.)
Barnyard Grass isn't classified as a notable pollinator plant in our data — pair it with high-value bloomers nearby to feed bees.
Where Barnyard Grass thrives
On hardiness alone, barnyard grass grows across most of the country — its range (USDA zones 3 through 11) is unusually wide. Zone is only the starting point, though: the soil pH, drainage, and frost dates on your specific land decide how well it actually does.
Zones 3–11·Where Barnyard Grass growsOpen map →
On USDA hardiness-zone overlap, Barnyard Grass can grow in these states:
See if Barnyard Grass will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether barnyard grass actually takes — we score it against the real conditions at your address.
Three things about your exact spot that zone averages miss:
We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.
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Frequently Asked Questions
Can I grow Barnyard Grass in my zone?
Barnyard Grass grows in USDA hardiness zones 3 through 11 (USDA PHZM 2023). Zone is one factor — soil pH, drainage, and frost dates on your specific parcel also shape whether it takes.
When should you plant Barnyard Grass?
Most growers plant barnyard grass after the last spring frost, once the soil has warmed, leaving enough of the season for its 120-day frost-free need. Your local frost dates set the exact window — a Growable Ground report reads them for your address.
How much sun does Barnyard Grass need?
Barnyard Grass needs full sun — a spot that catches at least 6 hours of direct summer sun a day. In more shade it still grows, but usually gives a smaller, later crop. The catch is that a yard rarely gets even light everywhere — a fence, the house, or one tall tree can quietly take those hours. A Growable Ground report reads the real sun-hours across your land, canopy and buildings included, so you can pick the brightest bed before you plant.
What soil does Barnyard Grass need?
Barnyard Grass prefers soil pH 4.8 to 8.2, on consistently moist ground (USDA PLANTS Database). Your report scores your parcel's actual soil against that using USDA SSURGO data.
Does Barnyard Grass attract pollinators?
Barnyard Grass isn't classified as a notable pollinator plant in our data. Pairing it with high-value bloomers nearby keeps bees and butterflies fed.
Is Barnyard Grass safe for pets?
Barnyard Grass is not known to be toxic to dogs or cats based on available data (ASPCA). Always supervise pets around new plantings.

