Sedge is a cover crop — grown to build and protect the soil rather than for a harvest of its own. Notably, it shrugs off deer and shrugs off dry spells.
Zones
Data not available
pH Range
5-7
Sun
Part Sun
Days to Maturity
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Score Sedge on your exact land.
Zone averages can't see the slope, soil, frost, and sun that decide whether sedge actually takes — and those shift from one yard to the next. Enter your address and we'll score sedge against your land's real conditions.
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What Sedge is
Sedge grows as a perennial and reaches around 8 inches at maturity. It blooms green in summer. It's also deer-resistant.
How to grow Sedge
Sedge does best in part sun — at least 4 hours of direct sun a day — and soil from pH 5 to 7, on well-drained ground. It needs a growing season of at least 90 frost-free days, which is why climate matters as much as soil.
USDA Zones
Data not available
USDA PHZM 2023
Soil pH
5 - 7
USDA PLANTS Database
Sun
Part Sun
plant_species_v5.csv
Drainage
well (dry spells)
plant_species_v5.csv
Mature Height
0.7 ft
plant_species_v5.csv
Frost-Free Days
90+
plant_species_v5.csv
Start the season right
Plant sedge in part sun with at least 4 hours of direct sun, once the soil has warmed and frost risk has passed.
Match the soil
Sedge prefers pH 5 to 7 (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. A 2–3 inch mulch layer holds moisture without waterlogging.
Turn it in before it seeds
Cut sedge 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 — sedge isn't known to be toxic to dogs or cats. (Source: ASPCA.)
Sedge isn't classified as a notable pollinator plant in our data — pair it with high-value bloomers nearby to feed bees.
Where Sedge thrives
Whether sedge thrives on a given site comes down to its soil pH, drainage, sun, and frost dates — the conditions that vary parcel to parcel.
See if Sedge will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether sedge 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 Sedge in my zone?
Zone data for sedge is being finalized. A Growable Ground report checks your parcel's full suitability against federal soil, climate, and zone data.
When should you plant Sedge?
Most growers plant sedge after the last spring frost, once the soil has warmed, leaving enough of the season for its 90-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 Sedge need?
Sedge does well in partial sun — around 4 hours of direct sun, and it takes some afternoon shade in stride. That flexibility makes it a good match for a bed the house or a nearby tree shades for part of the day. A Growable Ground report maps how the sun actually falls on your land, hour by hour, so you can set it where the light lines up.
What soil does Sedge need?
Sedge prefers soil pH 5 to 7, on well-drained ground (USDA PLANTS Database). Your report scores your parcel's actual soil against that using USDA SSURGO data.
Does Sedge attract pollinators?
Sedge isn't classified as a notable pollinator plant in our data. Pairing it with high-value bloomers nearby keeps bees and butterflies fed.
Is Sedge safe for pets?
Sedge is not known to be toxic to dogs or cats based on available data (ASPCA). Always supervise pets around new plantings.