Overview of Liquid Fertiliser Applications

Liquid nutrients are widely used in horticulture and grounds care, thanks to their straightforward application and fast nutrient absorption.
This article covers the varieties of liquid fertilisers, how they are applied, and reasons why they’re beneficial for maintaining thriving plants and lawns.

Types of Liquid Fertilisers

Organic liquid fertilisers are produced from sources like compost and manure-based materials.
They offer key elements and beneficial bacteria that support soil condition and moisture retention, making them ideal for environmentally aware gardeners.

Synthetic fertilisers, on the other hand, offer concentrated nutrients and can lead to accelerated growth.
They are useful when immediate results are needed, but should be applied with care to avoid over-fertilisation.

Advantages of Using Liquid Fertilisers

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

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

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

Guidelines for Applying Liquid Fertiliser

The optimal time to apply liquid fertiliser is during the plant’s active phase, typically in spring or early summer.
Avoid applying during extreme heat or dormancy, as it can stress the plants.

• Foliar application: Ideal 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.

Always adhere to the manufacturer’s specified dilution rates.
Excessive use can lead to plant burn, nutrient runoff, and harm to plants.

Things to Keep in Mind When Choosing a Liquid Fertiliser

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

Soil acidity and texture should also guide your selection.
more info Sandy soils may need more frequent feeding due to nutrient loss, 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 healthy green coverage.

When is the best time of day to apply it?

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

Can it be used on houseplants?

Absolutely. Use a diluted mix 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 provides consistent results when used correctly.

read more To find out further about choosing the right products for your needs, explore the ALS Contracts website.