Skip to content
If you've recently installed instant turf or are looking to maintain your existing lawn, understanding liquid fertiliser is crucial for achieving that lush, green grass every Aussie homeowner dreams of. This comprehensive guide will help you make informed decisions about using liquid fertiliser for your lawn care routine.
What Is Liquid Fertiliser?
Liquid fertiliser is a water-soluble plant food that comes in either a concentrated form requiring dilution or a ready-to-use solution. It contains essential nutrients like nitrogen, phosphorus, and potassium (NPK), along with other micronutrients vital for lawn health. Unlike traditional fertilisers, these nutrients are already dissolved and immediately available for your turf to absorb.
The science behind liquid fertilisers involves carefully balanced nutrient solutions that are specifically formulated to match your lawn's needs. These solutions typically contain macronutrients (NPK) in precise ratios, complemented by secondary nutrients like calcium, magnesium, and sulfur. Many premium liquid fertilisers also include trace elements such as iron, manganese, and zinc, which play crucial roles in chlorophyll production and overall grass health. This complete nutrient profile ensures your lawn receives everything it needs for optimal growth and development.
What sets quality liquid fertilisers apart is their manufacturing process and formulation technology. Advanced chelation processes bind nutrients in ways that prevent them from becoming locked up in the soil, ensuring maximum availability to your grass. These formulations often include natural surfactants and wetting agents that help the solution spread evenly across leaf surfaces and penetrate deeply into the root zone. For Australian lawns dealing with sandy soils or clay-heavy areas, this enhanced absorption capability can make a significant difference in fertiliser efficiency and overall lawn performance.
Looking for quality liquid fertilisers? Check out our comprehensive range of liquid lawn fertilisers specially selected for Australian conditions.
Liquid vs. Granular Fertiliser: What's the Difference?
While both types can effectively feed your lawn, liquid fertilisers offer distinct advantages over their granular counterparts. Granular fertilisers need to break down in the soil before releasing nutrients, which can take weeks. In contrast, liquid fertilisers provide immediate nutrient availability, making them particularly beneficial for instant turf that needs quick establishment.
How Liquid Fertilisers Work
Understanding the absorption process helps you maximise the benefits of liquid fertilisers:
Foliar Absorption
When sprayed on grass blades, nutrients are absorbed directly through the leaves' surface. This process, known as foliar feeding, provides the fastest nutrient uptake and is particularly effective during the active growing season.
Root Absorption
As the solution reaches the soil, roots take up the nutrients through their fine hair-like structures. The liquid form allows for even distribution throughout the root zone, ensuring uniform grass growth.
Benefits of Using Liquid Fertilisers
For Australian lawns, particularly new instant turf, liquid fertilisers offer several advantages:
- Quick nutrient absorption means faster greening and establishment
- Even coverage eliminates the risk of fertiliser burn common with granular products
- Perfect for correcting nutrient deficiencies during stressful weather conditions
- Easy to apply with standard garden equipment
- Ideal for year-round maintenance, especially during hot Australian summers
Application Guidelines
Best Methods for Application
- Backpack sprayer: Ideal for precise application and smaller lawns
- Hose-end sprayer: Perfect for larger areas and easier application
- Irrigation system: Suitable for automatic feeding during watering cycles
Timing and Frequency
For optimal results with your instant turf or established lawn:
- Apply early morning or late afternoon to prevent evaporation
- Avoid application during the heat of the day or before heavy rain
- Maintain a regular schedule: every 2-4 weeks during growing season
- Reduce frequency during winter months
Choosing the Right Liquid Fertiliser
When selecting a liquid fertiliser for your Australian lawn:
- Look for products with balanced NPK ratios for general maintenance
- Choose high-nitrogen formulas for rapid green-up
- Consider seaweed-based products for stress tolerance
- Select products specifically formulated for your grass type (e.g., Buffalo, Couch, or Kikuyu)
To help you make the right choice, here are some excellent options for different lawn care needs:
For Overall Lawn Health and Stress Tolerance
Seasol Spray On 2.5Lt is an excellent seaweed-based fertiliser that strengthens your lawn's natural defences against heat, drought, and frost. It's particularly beneficial during extreme weather conditions and helps promote stronger root development.
For Quick and Easy Application
Exceed Hose-on is perfect for busy homeowners who want a simple but effective feeding solution. This ready-to-use formula attaches directly to your hose for quick and even application across your lawn.
For Professional-Grade Results
Exceed – Concentrate 2.5lt provides a concentrated formula that can be precisely diluted to match your lawn's specific needs. This professional-grade product is ideal for those who want maximum control over their fertilising program.
For Enhanced Root Development
Lawn Kelper Concentrate 2.5L specialises in promoting strong root growth and improving soil health. It's particularly beneficial for newly laid instant turf or lawns recovering from stress.
Remember to check the product label for specific dilution rates and application instructions, as these can vary between brands and formulations.
By following these guidelines and maintaining a consistent fertilising schedule, you'll help ensure your instant turf or established lawn remains healthy and vibrant throughout the year, ready to withstand the challenges of the Australian climate.
