Hydroseeding in Houston, TX

Hydroseeding in Houston is mostly a contest with water. The city sits on the Gulf coastal plain, downtown is only about 50 feet above sea level, and much of town is underlain by what Wikipedia calls low-permeability clay-silt prairie soils. Rain on bare dirt here does not soak in fast, and on a flat lot it does not run off fast either. It sits, then it slides sideways and takes the top of your seedbed along. Elite Hydroseeding Houston loosens and preps the soil, then sprays on one slurry carrying seed, fertilizer, fiber mulch and a tackifier, so the seed is stuck down and covered the day it goes on. We seed new yards, builder lots, commercial pads, detention pond banks and ditch slopes, and we do the grading, topsoil and silt fence that come before the seed.

What sits under a Houston lawn

Below the surface are unconsolidated clays, clay shales and poorly cemented sands laid down by rivers carrying sediment off the Rocky Mountains. The ecoregion around the city, the Western Gulf coastal grasslands, is known for poor internal drainage, with alfisols and vertisols common and sandier, siltier ground mostly along floodplains. In a yard that means two different jobs. On heavy clay, a new lawn needs a grade that moves water off, a loosened top layer so roots can get in, and mulch that holds up when the ground stays wet for days. Near bayous and creeks the soil drains better but washes more easily, so the cover has to bind tighter. The thick, sometimes black surface soil that grew rice on the edges of town grows grass well once it is shaped right.

Rain, heat and the first three weeks

NOAA's 1991 to 2020 normals put average rainfall at 51.84 inches a year at Bush Intercontinental and 55.62 inches at Hobby, closer to the bay. June is the wettest month at Bush with 6.00 inches, followed by October and May; February is the driest. Measurable rain falls on about 104 days a year, so almost any germination window includes a storm. Heat is the other half. Houston averages 106.5 days a year at or above 90 degrees, and summer mornings average over 90 percent humidity. Hydromulch helps with both: it takes the hit from a downpour and keeps the surface damp between waterings. Houston knows what extreme rain does to open ground, from 12 inches in 10 hours in the 2015 Memorial Day flood to more than 50 inches in parts of the region during Hurricane Harvey.

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Which grasses start well from seed here

Most seeded lawns in Houston are bermudagrass. It spreads by seed, above-ground runners and underground rhizomes, starts growing actively once temperatures stay above about 59 degrees, and grows best between 75 and 99. It wants full sun; dense shade, especially near tree trunks, holds it back. St. Augustine, the other common Houston lawn, is a different case. Commercially viable St. Augustine seed has only recently become available, so those lawns have almost always started from sod, plugs or sprigs. If your yard sits under live oaks or pines, we will talk about sod or a mixed plan for the shady part. For open acreage, pond banks and drainage easements we also seed native coastal prairie grasses such as little bluestem, big bluestem, Indiangrass and switchgrass, the tallgrass species of the original Texas coastal prairie.

Picking a seeding month

Bush Intercontinental sees about 13 nights a year at or below freezing, usually between December 3 and February 20, which gives a growing season of about 286 days. Daily mean temperatures climb from 63.8 degrees in March to 70.0 in April and 77.4 in May, and that is when bermuda takes off. Extension guidance puts warm-season seeding in late spring to early summer, and that is our main window: April through June gives a new lawn the whole summer to root before nights cool. July and August seeding works with steady irrigation. Early fall is possible but leaves less growing time. In winter we can still lay hydromulch with a temporary cover crop on a site that cannot wait, then seed bermuda in spring.

Sod, hydroseed or a bag of seed

Sod gives a finished look the day it is laid, and in Houston it is the usual route to a St. Augustine lawn. It also costs the most: HomeGuide lists sod at $1 to $4 per square foot against $0.12 to $0.35 for hydroseeding. Dry seed from a spreader costs least, but on bare clay it washes into low spots and birds take a share. University of Nebraska Extension notes hydroseeded grass usually breaks the surface within 5 to 7 days; broadcast dry seed is typically a two- to three-week wait. Hydroseeding lands in the middle on price and is the practical pick for bermuda lawns, big lots, slopes and any ground that has to be covered quickly. Most lawns are ready for a first mow four to six weeks after seeding.

Construction sites and stormwater rules

A project that disturbs an acre or more and drains to Texas surface water falls under the TCEQ Construction General Permit, TXR150000, renewed effective March 5, 2023. One to five acres is a small construction activity and five or more is large, and TCEQ adds up the disturbed acreage of a whole development built under one plan, so a single lot in a big subdivision can be covered. Operators need a Stormwater Pollution Prevention Plan in place before work starts. We install the silt fence, inlet protection and seeding those plans call for. Inside the city, the 2018 floodplain rule puts new homes in the 100- and 500-year floodplains two feet above the 500-year flood level, which often means raised pads with side slopes that need fast cover.

How a job goes

• We visit, measure, and check slope, drainage, sun and soil
• Your quote comes in writing, with site prep, seed and erosion control each priced on its own line
• We grade, loosen packed clay and bring in topsoil on the thin spots
• The slurry goes on in one pass, heavier on slopes and swales
• You get a watering schedule written for the month we seeded

To book that first visit, call (832) 772-4979.

We work inside Houston and out through Harris, Fort Bend, Montgomery, Brazoria and Galveston counties. West of the city, Katy, Fulshear and Cypress are old rice and ranch country now filling with new subdivisions, while Richmond and Sugar Land sit close to the Brazos. South of town, Pearland, Manvel, Alvin and Missouri City have flat, slow-draining lots, many built around ponds and lakes. To the north, The Woodlands, Spring, Tomball, Conroe, Magnolia and Montgomery bring pine shade, a bit more slope and runoff headed for creeks and Lake Conroe. Kingwood and Humble drain toward Lake Houston. On the bay side, Pasadena, La Porte, Baytown, League City, Friendswood and Dickinson get the heaviest rain and the most storm-repair work. Pick your town for what we watch for there, or call if yours is not listed.