PINELLAS COUNTY, FLORIDA - Helpful information about Pinellas lawns & landscapes.

What is Lawn Spraying and How Does it Work

Lawn Spraying
Lawn Spraying Coats The leaves with a Nutrient Rich Coating to Feed Your Lawn

Using the Leaf as the Fertilizer Carrier

The liquid spray contains a small amount of a sticker – usually a latex based ingredient that “sticks” the spray to the leaf. Then with regular mowing a small portion of the leaf is cut off and falls into the canopy of the lawn. This fertilizer coated leaf is then composted into plant food. The lawn is fed according to demand – faster growing lawns yield more fertilizer coated clippings to feed the lawn and vice versa.

Mostly Water, Not a Bunch of Chemicals

The lawn spray liquid is a mixture of mostly water (95%), a small amount of fertilizer (4.5%) and an even a smaller amount of pesticides and additives (0.5%). The liquid is NOT a bunch of chemicals – your lawn doesn’t need a lot of fertilizer or insecticides, but you do need a lot of water to spread it evenly over your lawn.

How Your Lawn Composts
Related Article: How Your Lawn Composts


The liquid works by coating and bonding to the leaves of grass in your lawn - effectively turning the leaf into “slow release organic plant food”. Like vitamin supplements added to food, the coated leaf blade becomes nutrient rich plant food. When cut, the coated leaf falls into the lawn to be composted into plant food.

How Does the Lawn Compost

When the lawn is mowed, the cut enriched leaves fall into the canopy. That nutrient rich leaf is enzymatically digested by soil microbes and recycled into plant food – aka composting. This provides a slow release mechanism that continuously feeds the lawn over a 2 month period.

How Lawn Spraying Protects Your Lawn

The insecticides also coat and bond to the leaf blades. But unlike the fertilizer, the insecticides are most effective before composting. The insecticides used in the spray have an immediate impact on the insect population – knocking down insect populations to near zero. With each mowing the same nutrient rich leaf carries a small amount insecticides into the lawn to further reduce insect populations. Then as the leaf is composted, the insecticides are broken down into plant nutrients too!

Why Liquid is Superior to Granular Formulations

Liquid fertilizers can be custom blended every day whereas granular fertilizers are fixed formulation. Custom blending allows for the lawn spray company to be nimble and adjust for prevailing conditions. This is not possible with fixed granular formulations where the only adjustment is to vary the amount applied. But liquid applications, every ingredient can be finely tuned every day for maximum results.

Liquid Fertilizer Do Not Wash Away

No, rains do not wash away liquid fertilizers! The best analogy is think of iron filings clinging to a magnet. The fertilizer is like the iron filings and the leaf and other organic matter is like the magnet. Once the liquid containing fertilizer comes in contact with the leaf, the fertilizer “clings” to the leaf using magnetic charges. You can prove this by watching your lawn green up after a rain – moist soils compost better and aid in the uptake of nutrients – not the washing away of nutrients.


Article by Rick Orr
APL Lawn Spraying Inc.

Rick Orr is the creator of, an Agronomist and the Owner/Operator of APL Lawn Spraying. Rick is a graduate from VA Tech in Agronomy (Turf Ecology). He has been a Golf Course Superintendent, Certified Arborist, Landscape Contractor, Irrigation Contractor and Adjunct Professor for Environmental Horticulture.

Rick is an expert at growing St Augustine turf. Since 1995, Rick has spent his time researching, developing and testing the best management practices for St Augustine turf grown in Pinellas County.

The results of that work is a one of the top rated lawn spray companies in Pinellas County – APL Lawn Spraying. APL Lawn Spraying is a family owned business serving residential and commercial properties in Pinellas County, FL.

APL Lawn Spraying provides lawn spraying to commercial properties, HOA’s and single family homes. To request a free quote for your property, click here: Free Advice or Price Quote

Speaking Engagments - Does it seem like you are only hearing one side of water restrictions, fertilizer bans, plant restrictions and many other urban landscape hot topics? Rick Orr is available for speaking engagements for your HOA, Community or Professional Association or Garden Club about a variety of subjects. Call or email for more information.

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