Overview of Liquid Fertiliser Applications

Liquid fertilisers have become a popular choice in horticulture and grounds maintenance, due to their straightforward application and rapid nutrient absorption.
This resource covers the types of liquid fertilisers, how they are applied, and why they are beneficial for maintaining thriving plants and lawns.

Types of Liquid Fertilisers

Natural liquid feeds are produced from sources like compost and manure-based materials.
They contain key elements and microorganisms that enhance soil structure and water-holding capacity, making them ideal for eco-conscious gardeners.

Chemical-based liquid feeds, on the other hand, offer concentrated nutrients and can lead to accelerated growth.
They are effective when quick results are needed, but should be applied with care to avoid over-fertilisation.

Advantages of Using Liquid Fertilisers

One significant advantage is the efficiency at which nutrients are absorbed by plants.
Since the nutrients are already in liquid form, plants can utilise them quickly, resulting in faster visible growth.

Unlike granular alternatives, liquid fertilisers allow for more precise application, ensuring that nutrients are spread consistently, minimising waste and feeding specific plant areas.

They are also appropriate for mature plants or areas with poor nutrient availability, where soil disruption is undesirable.

Best Practices for Applying Liquid Fertiliser

The most here effective time to apply liquid fertiliser is during the plant’s active phase, 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.


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


• Soil drenching: Promotes deep root development and soil penetration.

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

Things to Keep in Mind When Choosing a Liquid Fertiliser

Nutrient ratios are crucial for matching fertiliser to plant needs.
For instance, high nitrogen supports leafy growth, while phosphorus is essential for blooms and fruiting.

Soil pH and type should also guide your selection.
Sandy soils may need more regular feeding due to 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 long-term soil health.

Common Queries

How often should liquid fertiliser be applied?

Usually 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 plant stress.

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.

Final Thoughts

Liquid fertilisers offer a practical solution for those seeking vigorous, well-fed plants without overcomplicating their care routine.
Whether you're liquid fertiliser applications maintaining a garden, lawn or indoor space, liquid feeding delivers consistent results when used correctly.

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