Waidoi Grass is a cover crop — grown to build and protect the soil rather than for a harvest of its own. It's hardy across USDA zones 10 through 13 and grows just as well in a container as in the ground.
Zones
10-13
pH Range
4-7
Sun
Full Sun
Days to Maturity
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Score Waidoi Grass on your exact land.
Zone averages can't see the slope, soil, frost, and sun that decide whether waidoi grass actually takes — and those shift from one yard to the next. Enter your address and we'll score waidoi grass against your land's real conditions.
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See Waidoi Grass
What Waidoi Grass is
It's also well suited to containers.
How to grow Waidoi Grass
Waidoi Grass grows in USDA zones 10 through 13. Waidoi Grass does best in full sun — at least 6 hours of direct sun a day — and soil from pH 4 to 7, on well-drained ground. It needs a growing season of at least 180 frost-free days, which is why climate matters as much as soil.
USDA Zones
10-13
USDA PHZM 2023
Soil pH
4 - 7
USDA PLANTS Database
Sun
Full Sun
Growable Ground plant catalog
Drainage
well (dry spells)
Growable Ground plant catalog
Frost Tolerance
50°F
The lowest temperature it shrugs off — below this, expect damage without cover.
Growable Ground plant catalog
Frost-Free Days
180+
The frost-free stretch it needs start to finish — short-season areas may need an indoor head start.
Growable Ground plant catalog
Start the season right
Plant waidoi 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
Waidoi Grass prefers pH 4 to 7 (FAO ECOCROP). 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. A 2–3 inch mulch layer holds moisture without waterlogging.
Turn it in before it seeds
Cut waidoi grass down or turn it into the soil before it sets seed, while the growth is still green — that's when it returns the most to the ground.
Good to know
Good news for pet owners — waidoi grass isn't known to be toxic to dogs or cats. (Source: ASPCA.)
Waidoi Grass isn't classified as a notable pollinator plant in our data — pair it with high-value bloomers nearby to feed bees.
Where Waidoi Grass thrives
Waidoi Grass is hardy across USDA zones 10 through 13. 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 10–13·Where Waidoi Grass growsOpen map →
Continental US shown — Alaska and US Pacific territories sit outside the federal map's polygon dataset.
On USDA hardiness-zone overlap, Waidoi Grass can grow in these states:
See if Waidoi Grass will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether waidoi 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 Waidoi Grass in my zone?
Waidoi Grass grows in USDA hardiness zones 10 through 13 (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 Waidoi Grass?
Most growers plant waidoi grass after the last spring frost, once the soil has warmed, leaving enough of the season for its 180-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 Waidoi Grass need?
Waidoi 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 Waidoi Grass need?
Waidoi Grass prefers soil pH 4 to 7, on well-drained ground (FAO ECOCROP). Your report scores your parcel's actual soil against that using USDA SSURGO data.
Does Waidoi Grass attract pollinators?
Waidoi 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 Waidoi Grass safe for pets?
Waidoi Grass is not known to be toxic to dogs or cats based on available data. Always supervise pets around new plantings. (Source: ASPCA.)