How Hydro Seeding Works
Hydroseeding is really a pretty simple process. Water, seed, fertilizer, a sticker called a “tackifier” and a protective mulch are mixed in a tank and sprayed onto the ground.
Well, let’s look at what exactly is in the mix that is sprayed onto a hydroseeding job.
Water in the mix acts as a carrier, and the contact of the seed and the water will jump-start the growth process. When extra fast germination is desired, it is also possible to pre-germinate seed for even faster growth.
Seed used in a hydro seeder doesn't need to be anything special. Nearly any seed can be used and at the same application rate as other seeding methods. These can include grass or lawn seeds, wildflowers, pasture seed, seed for athletic fields and seeds for erosion control such as crown vetch.
Fertilizer is usually used in the mix. A "starter" fertilizer that will stimulate root growth is the most commonly used
Dyed mulch is what gives a hydroseeding mix its color. Green is typically used. The mulch does more than just make it look pretty. It helps protect the seed, and to hold in moisture. It may be made from a paper or wood product or a mix. If any accidentally gets on your walkways, driveways or house, it will not stain and can be washed off, or will just disappear on its own.
Other products that may be added to a hydroseeding mix are products called tackifers that help hold the materials on a hillside in rainy conditions. They also help seal moisture in to the soil and lubricate the machine. A lime-based product is added if the pH needs correcting upward. Other products such as co-polymers that hold 100 to 400 times their weight in water and slowly release it as the moisture is needed, can also be added.
LebanonTurf offers 2 different tackifiers for hydroseeding. One is our standard polyacrylamide tackifier called TerraPam. The other is mixed with our rhizosphere bacteria package to promote biofertility. This product is called BioPam. Both are used at economically low rates of about 3 Lbs per acre for TerraPam and 5-Lbs per acre for BioPam.
Types Of Grass Seed And How They Can Be Planted
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