Overview of Liquid Fertiliser Applications

Liquid fertilisers have become a popular choice in horticulture and grounds maintenance, due to their straightforward application and fast nutrient absorption.
This article examines the types of liquid fertilisers, how they are applied, and reasons why they’re useful for maintaining healthy plants and lawns.

Varieties of Liquid Fertilisers

Organic liquid fertilisers come from sources like compost and manure-based materials.
They contain key elements and microorganisms that support soil condition and moisture retention, making them well-suited for eco-conscious gardeners.

Chemical-based liquid feeds, on the other hand, deliver concentrated nutrients and often encourage faster growth.
They are effective when immediate results are needed, but must be used with care to prevent over-fertilisation.

Benefits of Using Liquid Fertilisers

One key benefit is the speed at which nutrients are taken in by plants.
Since the elements are already in liquid form, plants can access them quickly, leading to faster visible growth.

Compared to granular alternatives, liquid fertilisers enable for more even application, ensuring that nutrients are distributed evenly, reducing excess and feeding specific plant areas.

They are also suited to mature plants or soils suffering from poor nutrient availability, where disturbing the soil is undesirable.

Best Practices for Applying Liquid Fertiliser

The most effective time to apply liquid fertiliser is during the plant’s growth period, typically in spring or early summer.
Refrain from applying during extreme heat or dormancy, as it can stress the plants.

• Spraying: Suitable for fast absorption via leaves and for treating specific deficiencies.


• Root feeding: Direct application to the root zone for effective nutrient uptake.


• Deep watering: Promotes deep root development and soil penetration.

Be sure to follow the manufacturer’s recommended dilution rates.
Excessive use can lead to root damage, nutrient runoff, and harm to plants.

Factors to Consider When Choosing a Liquid Fertiliser

The balance of N-P-K (Nitrogen, Phosphorus, Potassium) are crucial for matching fertiliser to plant needs.
For instance, high nitrogen supports leafy growth, while phosphorus is beneficial for blooms and fruiting.

Soil pH and type should also guide your selection.
Sandy soils may need more regular feeding due to website nutrient loss, while acidic soils may benefit from neutral or alkaline formulations.

If you’re focused on sustainability, an organic product is often the most appropriate option, especially for eco-friendly soil health.

Common Queries

How often should liquid fertiliser be applied?

Typically every 2–4 weeks, depending on plant type and growth stage. Check the plant's specific needs.

Is it suitable for lawns?

Yes, it promotes uniform growth and healthy green coverage.

When is the best time of day to apply it?

Early morning or late afternoon to prevent evaporation and reduce scorching.

Can it be used on houseplants?

Absolutely. Dilute the solution to avoid overfeeding indoor plants.

Is it safe for pets?

Generally safe once dry. Keep pets away until treated areas have dried fully.

Wrapping Up

Liquid fertilisers offer a practical solution for those liquid fertiliser applications seeking healthy, vibrant plants without complicating their care routine.
Whether you're maintaining a garden, lawn or indoor space, liquid feeding provides consistent results when used correctly.

To learn more about choosing the right products for your needs, explore the ALS Contracts website.