Liquid vs. Granular Fertilizer For Spring Lawn Care

The Best Lawn Fertilizer For Early Spring Growth

As spring approaches and homeowners prepare (and hope) for another successful growing season for their lawns, it is important to remember that certain fertilizers may work better than others when first getting started in spring. After winter dormancy, lawns need a gentle and specific approach to avoid overfertilization while still providing the necessary nutrients grass needs early in the season.

Keep reading to learn the differences between liquid and granular fertilizers and find out which is best for fertilizing your lawn this spring! 

What Is Liquid Fertilizer?

Liquid fertilizer is a concentrated nutrient solution that is either pre-mixed or mixed with water before application. It is commonly applied using a hose-end sprayer, backpack sprayer, or irrigation system, allowing nutrients to be absorbed quickly by the grass through the leaves and roots. Liquid fertilizers are available in synthetic and organic formulations, catering to a variety of lawn care needs.

One of the most notable features of liquid fertilizers is their immediate availability to plants. Unlike granular fertilizers that take time to break down, liquid fertilizer delivers nutrients directly into the soil and grass blades, promoting rapid growth and greening. This makes it a popular choice for those who need quick results, especially in early spring when lawns are coming out of dormancy and need an immediate nutrient boost.

Notable Features

• Nutrient Release Rate: Fast-acting (absorbed almost immediately).
• Best Seasonal Use: Ideal for summer (helps grass recover from heat stress quickly).
• Application Frequency: Requires more frequent applications (every 2-4 weeks).
• Absorption Method: Nutrients are absorbed through both roots and grass blades.
• Ease of Application: Applied with a hose-end or backpack sprayer; no watering needed.
• Risk of Lawn Burn: Lower risk if properly diluted.
• Weed & Pest Control: Primarily provides nutrients; weed control requires a separate product.
• Cost & Storage: Often more expensive and has a shorter shelf life.

What Is Granular Fertilizer?

Granular fertilizer consists of solid, pellet-like granules that are spread over the lawn and gradually break down over time. These fertilizers are usually applied using a broadcast spreader or drop spreader, ensuring even distribution. Unlike liquid fertilizers, which act quickly, granular fertilizers release nutrients slowly, feeding the lawn over an extended period.

Granular fertilizers come in two main forms: quick-release and slow-release. Quick-release formulas dissolve faster, providing an immediate boost, while slow-release varieties feed the lawn gradually, reducing the risk of nutrient runoff and over-fertilization. Many granular fertilizers also include soil-enhancing ingredients such as organic matter, beneficial microbes, and moisture-retaining compounds, making them ideal for long-term lawn health.

Notable Features

• Nutrient Release Rate: Slow-release (feeds over weeks or months).
• Best Seasonal Use: Ideal for spring (supports root growth and long-term feeding).
• Application Frequency: Requires less frequent applications (every 6-12 weeks).
• Absorption Method: Nutrients are taken up through the soil and roots.
• Ease of Application: Applied with a spreader and requires watering after application.
• Risk of Lawn Burn: Higher risk in hot summer months if over-applied.
• Weed & Pest Control: Often includes pre-emergent herbicides and pest control options.
• Cost & Storage: More cost-effective and easier to store long-term.

Benefits Of Granular Fertilizer In Spring

Slow-Release of Nutrients

For homeowners looking to build a strong, resilient lawn for the growing season, granular fertilizer offers several advantages in spring. The primary benefit is its extended feeding capability. Slow-release granular fertilizers provide a steady supply of nutrients over several weeks or even months, ensuring consistent growth and preventing nutrient spikes that can lead to excessive thatch buildup or disease.

Easy Application

Another advantage of granular fertilizers is their ease of application. With the use of a spreader, homeowners can distribute the fertilizer evenly without needing specialized equipment like sprayers. This makes it a practical choice for those who prefer a more straightforward approach to lawn care.

Improved Soil 

Granular fertilizers also work well for improving soil quality. Many formulations contain organic matter that enhances soil structure, increases microbial activity, and improves moisture retention. This is particularly beneficial in early spring when soil conditions may still be recovering from winter dormancy and nutrient depletion.

When To Use Liquid Fertilizer

Struggling Lawns

Liquid fertilizer is best used in situations where a quick nutrient boost is needed. Early spring is an excellent time for liquid fertilizer applications, especially if the lawn is struggling to green up or has patchy areas that need immediate attention. The fast-acting nature of liquid fertilizer allows grass to absorb nutrients rapidly, leading to a more vibrant and uniform lawn.

Newly Seeded Grass

Liquid fertilizer is also a great option for newly seeded lawns or overseeding projects. Because it provides an instant supply of nutrients, it encourages strong root development and promotes quicker germination. Liquid fertilizer is often used as a supplement throughout the growing season to address nutrient deficiencies or maintain a consistent growth rate between granular applications.

Nutrient Deficiency

Another scenario where liquid fertilizer excels is when soil conditions are poor, and immediate nutrient absorption is necessary. If a soil test indicates deficiencies, liquid fertilizer can help correct imbalances faster than granular options. However, frequent applications may be required, as liquid fertilizers do not have the long-lasting effects of slow-release granular fertilizers.

Tips For Applying Liquid Fertilizer

• Choose the Right Time: Apply liquid fertilizer early in the morning or late in the evening to prevent evaporation and maximize absorption. Avoid applying during hot, sunny periods.

• Use the Correct Dilution Rate: Follow professional and expert instructions for mixing the fertilizer with water. Over-concentrating the solution can cause fertilizer burn, while under-diluting may reduce effectiveness.

• Apply Evenly: Use a hose-end sprayer or backpack sprayer to distribute the fertilizer evenly across the lawn. Work in a consistent pattern to prevent over-application in some areas and under-application in others.

• Water Lightly or Skip Watering: Some liquid fertilizers require a light watering to help nutrients soak into the soil, while others are designed for immediate absorption. Check the product instructions for specific guidance.

• Reapply as Necessary: Since liquid fertilizers provide short-term results, they may need to be reapplied every few weeks throughout the spring and summer to maintain optimal lawn health.

Tips For Applying Granular Fertilizer

• Use a Spreader for Even Distribution: Hand-applying granular fertilizer can result in patchy growth and over-fertilization in some areas. A broadcast or drop spreader ensures even coverage across the entire lawn.

• Apply When the Lawn Is Dry: Dry grass prevents the granules from sticking to the blades, allowing them to reach the soil where they can break down and release nutrients effectively.

• Water After Application: Unlike liquid fertilizers, granular products require watering after application to help dissolve the granules and activate nutrient absorption. A light to moderate watering is usually sufficient.

• Avoid Applying Before Heavy Rain: Excessive rainfall can wash away the granules before they have a chance to break down, leading to nutrient runoff and wasted fertilizer.

• Follow a Consistent Schedule: Granular fertilizers release nutrients over time, so establishing a routine application schedule ensures the lawn receives a steady supply of essential nutrients throughout the season.

Professional Spring Lawn Care For Utah

If you are in the Salt Lake City area and your lawn needs a professional touch this spring, call Holmes Lawn & Pest to get started on the right foot with our fertilization services. Our lawn care services include fertilization, weed control, liquid aeration, and pest control, all working together to create the healthiest lawn possible. Get a free quote today!