A drop spreader is a lawn tool designed to distribute granular materials directly beneath the hopper, creating a precise band of product. Unlike broadcast spreaders, which scatter material in a wide arc, the drop model ensures that fertilizer, seed, or weed control agents fall straight down onto the ground. This controlled application method is useful for maintaining specific areas and preventing the material from reaching sidewalks, garden beds, or sensitive waterways.
Preparing the Equipment and Product
Before applying any product, confirm the spreader mechanism is clean and functioning smoothly. Inspect the hopper interior and the dispensing gate for any residual debris, rust, or blockages from previous use, which can interfere with an even flow and consistent material distribution.
Determine the correct flow rate based on the product packaging. Granular fertilizers and seeds vary in density and particle size, requiring careful adjustment of the gate opening to match the manufacturer’s recommendation. Using the wrong setting can result in under-application or chemical burn from excessive concentration.
Calculate the total area of the lawn to be treated to ensure the correct volume of product is loaded. Overfilling the hopper is not recommended, as it can strain the axle mechanism and make the spreader difficult to maneuver. It is better to refill the device halfway through the job than to overload it at the start.
Mastering the Application Technique
Load the hopper with the calculated amount of material while the spreader is stationary on a tarp or paved surface. This placement prevents spills from concentrating product on the lawn. Never attempt to adjust the flow rate or load the hopper while standing on the area you intend to treat.
The precise application requires careful control over the flow gate, which must only be opened once the spreader is in forward motion. Close the gate several feet before stopping, turning, or changing direction to ensure the material does not pile up. Maintaining a steady walking pace is necessary because the speed of the wheels directly influences the uniformity of the product release.
The initial step involves creating a perimeter pass around the entire area, often called the “header strip,” which defines the boundaries of the application zone. This strip provides a safe turning space for subsequent passes, preventing application onto non-target areas like flower beds. Once the perimeter is complete, proceed with straight, parallel passes across the main lawn area.
For subsequent passes, align the wheel of the spreader directly over the wheel track left by the previous pass. This technique ensures perfect edge-to-edge coverage, utilizing the exact width of the material drop zone. This prevents creating overlapping stripes or untreated gaps, avoiding the streaking that often occurs with less controlled application methods.
When making turns, always ensure the flow gate is completely closed before pivoting the machine. Turn the spreader outside the header strip whenever possible, especially when working with concentrated fertilizers or herbicides. This avoids double-dosing the turning area and ensures the entire lawn receives the material at the intended rate.
Essential Cleanup and Storage
Immediately empty any remaining product from the hopper back into its original packaging or a sealed container. Leaving granular materials, particularly corrosive fertilizers containing salts, inside the hopper can accelerate the deterioration of metal components.
Thoroughly rinse the entire spreader, focusing on the hopper interior and the axle mechanism, using a gentle stream of water. Allow the equipment to dry completely to prevent rust formation, especially on unpainted metal parts. Residual fertilizer combined with moisture is a common cause of premature equipment failure.
Apply a light lubricating oil or silicone spray to all moving parts, such as the axle bearings and gears, to protect them from corrosion and ensure smooth operation. Store the clean, dry spreader in a covered, dry location, like a garage or shed.