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TurnKey Grass sells, delivers and lays St. Augustine, Bermuda, zoysia and centipede across this unincorporated corner of Jefferson Parish, with our own crews on every yard.
Here the right grass depends less on your street and more on which of two river-built soils sits under your lawn, and how many hours of sun it gets.
01 · River Ridge
Which soil is under your River Ridge lawn?
Federal soil maps show River Ridge built by the Mississippi. Two soil series cover almost all of its dry land, and they behave like two different towns.
Two public spots show the split. Little Farms Playground on S. Park Street maps as Cancienne silt loam, while River Ridge Meditation Park on Jefferson Highway maps as Schriever clay. Unlike neighboring areas built on drained marsh, River Ridge has no muck soils at all, so sinking peat isn’t the worry here. Slow drainage is.
Soil series
Share of the land
Where it sits
Drainage
Surface pH
Grasses that suit it
Schriever clay
About 57%
Backswamp and the lower slopes of the old natural levee
Poorly drained, very slow to soak in
About 7.3
St. Augustine, or zoysia after a soil test
Cancienne silt loam
About 32%
The natural levee itself, the higher ground
Somewhat poorly drained
About 5.7
Centipede, zoysia, or St. Augustine with lime if a test calls for it
02 · River Ridge
How sun and shade split the grass choice
LSU AgCenter says most turfgrasses need 4 to 6 hours of full sun. After soil, that’s the second filter, and it sorts the four grasses quickly:
River Ridge has no mayor or town council. It’s a census-designated place, so Jefferson Parish government governs it, zoning included. About three in four homes are single-family detached houses, roughly 7 in 10 are lived in by their owners, and more than half went up in the 1960s and 1970s. That means mostly established yards, since very few homes here are newer than 2010.
Water is the other local story. The Schriever clay stays saturated within about 6 inches of the surface from December through April in a normal year, and the area averages a little over 63 inches of rain a year, with June the wettest month. LSU ties winter turf decline to poorly drained, low-lying ground, so a low corner that puddles in February needs grading before sod.
04 · River Ridge
How we work in River Ridge
01
We read the lot before we price it
On the free visit we look for standing water, measure sun hours and check what’s growing now. If the lot sits on the clay side, we’ll talk about crowning or filling low spots as part of prep.
02
We point you to a soil test
The LSU AgCenter extension office for Jefferson Parish shares River Ridge’s 70123 ZIP, and LSU’s soil lab sends homeowners there first with questions. You can find it on the LSU AgCenter Jefferson Parish page.
Is there one grass that works everywhere in River Ridge?
No. Near-neutral clay favors St. Augustine, while the acidic levee silt is the only place centipede has a fair shot. This guide to choosing a grass type walks through the trade-offs.
Do I need to worry about winter cold here?
River Ridge sits in USDA hardiness zone 9b, where average extreme lows run 25 to 30 F. January nights average about 46 F at the nearest NOAA station, so cold matters most for St. Augustine and centipede.
Who do I ask about fill or regrading rules?
Jefferson Parish, since River Ridge is unincorporated and has no town hall of its own.
Start with a yard visit in River Ridge
Whether your lot sits on levee silt like the ground at Little Farms Playground or slow-draining clay closer to the backswamp, we’ll walk it with you, check the sun and drainage, and recommend the grass that fits. Request your free estimate and we’ll set a time.
This company is the best! I couldn’t be happier with the Bermuda Grass I got from them. My lawn looks like a lush green carpet now, and it’s so soft underfoot. Thanks to their professional team, my neighbors are green with envy!