Flat ground, heavy spring rain
Hydroseeding in Indianapolis, IN
Seed, mulch and tackifier sprayed in one pass across the city's gently sloping glacial till.
- Free walk-through and an itemized written quote
- Seed mix matched to sun, shade and how the lawn gets used
- A watering schedule left with every new seeding
Growing Grass on the Indianapolis Till Plain
Hydroseeding in Indianapolis starts with understanding the ground. The city sat on the southern margin of the Laurentide ice sheet, and the advance and retreat of that ice left a flat or gently sloping landscape called a till plain. Elevations only run from about 650 to 900 feet across more than 360 square miles, so most yards here do not wash out because of steep grades. They fail because water sits on them.
Why flat lots still lose seed
Indianapolis averages roughly 42 inches of rain annually, much of it dumped by thunderstorms. May is usually the wettest month at about 5 inches. A hard storm on bare, freshly graded soil moves fine particles even on a shallow slope, and seed tossed by hand goes with them. A hydroseed slurry lays seed, wood or paper fiber mulch and tackifier together, so the seed stays anchored under a moist cover through germination.
Perched water and soil prep
Till plain soils in central Indiana such as Crosby are somewhat poorly drained, with a perched water table that can sit 6 inches to 2 feet down in winter and spring. On ground like that, we look closely at the finish grade before we spray. A yard that sheds water off the foundation toward a swale or inlet gets a better stand than one with low spots where seedlings drown. When the grade needs work, our grading crew handles yard grading, topsoil and the excavation and trenching that drainage fixes call for.
A city that grew outward
When Unigov took effect in 1970 the city added more than 300 square miles, and low-density development still dominates the map. That means a lot of new lawns go in on former farm fields at the edges of Marion County, where some 14,600 acres of farmland remain inside city limits. Builders working those parcels need commercial hydroseeding, silt fence and inlet protection to keep sediment in place until grass takes over.
When to seed
Cool-season lawn seed does best when we spray in late summer to early fall, with spring as the second window. Summer seeding is possible with steady watering, but July heat in this city is hard on young grass.
Planning a new lawn installation, a bare backyard or a builder lot? Get a free estimate or call (463) 223-9305.
What Shapes a Lawn in Indianapolis
- Glacial till plain. The advance and retreat of glacial ice left the Indianapolis area a flat or gently sloping till plain.
- Storm-driven rain. The city averages about 42.4 inches of rain a year, mostly from thunderstorms, with May the wettest month at 5.05 inches.
- Perched water table. Crosby soils on central Indiana till plains are somewhat poorly drained, with a perched water table 0.5 to 2 feet down in winter and spring.
- Farmland inside the city. Some 14,600 acres of farmland remain within the municipal boundaries of Indianapolis.
- White River. The White River flows 31 miles north to south through the city and is fed by some 35 streams.
Indianapolis Questions
My Indianapolis yard is flat. Do I really need mulch with the seed?
Yes. Flat ground still sheds fine soil in a thunderstorm, and seed without cover dries out fast. The fiber mulch in a hydroseed mix holds seed and moisture together.
Why does part of my yard stay soggy every spring?
Many till plain soils here hold perched water within a couple of feet of the surface in winter and spring. We check the grade and drainage before seeding so low spots do not drown new grass.
What month is best to hydroseed in Indianapolis?
Late August through September is our first choice. Spring works too, but weeds compete harder and May storms can be rough on fresh seed.
Do you work on construction lots inside Marion County?
Yes. We seed commercial and residential construction ground and can install silt fence and inlet protection while the grass establishes.
Free Estimates in Indianapolis, IN
Free on-site estimates anywhere in Indianapolis.
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