Overview of Liquid Fertiliser Applications

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

Varieties of Liquid Fertilisers

Natural liquid feeds come from sources like decomposed plant material and animal manure.
They offer vital nutrients and beneficial bacteria that support soil condition and moisture retention, making them well-suited for environmentally aware gardeners.

Synthetic fertilisers, by contrast, deliver concentrated nutrients and can lead to accelerated growth.
They are useful when immediate results are needed, but must be used with care to prevent over-fertilisation.

Benefits of Using Liquid Fertilisers

One significant advantage 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 feeding specific plant areas.

They are also suited to mature plants or soils suffering from restricted nutrient uptake, where soil disruption is undesirable.

Best Practices 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.

• 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.

Always adhere to the manufacturer’s specified dilution rates.
Over-application liquid fertiliser applications can lead to plant burn, 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 flowering and fruiting.

Soil pH and type should also influence 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 interested in sustainability, an organic product is often the most appropriate option, especially for eco-friendly soil health.

Frequently Asked Questions

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 even growth and dense green coverage.

When is the best time of day to apply it?

Early morning or late afternoon to avoid evaporation and reduce plant stress.

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 overcomplicating their care routine.
Whether you're maintaining a garden, lawn or indoor space, liquid feeding provides consistent results when used correctly.

To learn more read more about choosing the right products for your needs, visit ALS Contracts.