Overview of Liquid Fertiliser Applications

Liquid nutrients 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

Natural liquid feeds are produced from sources like decomposed plant material and animal manure.
They contain key elements and microorganisms that support soil condition and water-holding capacity, making them well-suited for environmentally aware gardeners.

Chemical-based liquid feeds, by contrast, deliver concentrated nutrients and can lead to faster growth.
They are effective when immediate results are needed, but must be used with care to avoid over-fertilisation.

Benefits of Using Liquid Fertilisers

One key benefit is the efficiency at which nutrients are taken in by plants.
Since the elements are already in liquid form, plants can utilise them without delay, resulting in faster visible growth.

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

They are also appropriate for mature plants or soils suffering from poor nutrient availability, where soil disruption is undesirable.

Guidelines for Applying Liquid Fertiliser

The optimal time to apply liquid fertiliser is during the plant’s growth period, typically in the early growing season.
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.


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

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

Things to Keep in Mind 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 acidity and texture should also guide your selection.
Sandy soils may need more frequent feeding due to leaching, while low pH conditions 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.

Frequently Asked Questions

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 dense 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 are a reliable option for those seeking vigorous, well-fed plants without complicating their care routine.
Whether you're 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.