Best lawn fertilisers in Australia

Pros

• Child and pet friendly
• Easy to spread

Cons

• A critic said the product turned their grass yellow
• Granules are lumpy

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Our pick for the best overall lawn fertiliser is Miracle-Gro Fast Green Lawn Food. On Amazon, it has a rating of 4.4 out of 5 stars from over 700 reviews.

Miracle-Gro's Fast Green Lawn Food is formulated with phosphate, ensuring that you get strong roots. It also contains potassium, which makes the grass more resistant to disease. According to the company, this fertiliser results in deeper greening in just 3 days. It is also child and pet friendly.

Customers gave positive feedback on the product's ease of use, safety for children and pets, and fast results. It is easy to spread, with a single 2.8kg bag evenly covering up to 80sqm of lawn. Reviews also said that it makes their lawn healthier and luscious within 7 days. However, the fertiliser's granules are lumpy. A critic also said it turned their grass yellow instead of vibrant green, but this seems to be an isolated issue.

Scotts Lawn Builder Premium Fertiliser

Best slow-release lawn fertiliser

• Feeds for 3 months

Cons

• Release depends on the soil and temperature
• Not suitable for bigger lawns

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For the best slow-release option, we selected the Scotts Lawn Builder Premium Fertiliser. It has a rating of 4.8 out of 5 stars on Amazon.

Scotts Lawn Builder Premium Fertiliser contains iron, promoting greener and faster grass growth. It releases a small amount of nutrients into the lawn for 3 months without burning when directions are followed. A 2.5kg bag can also cover up to 156sqm. It doesn't require watering as well.

The general sentiment is that this product is a fantastic option if you prefer slow-release fertilisers. It is easy to use and doesn't require the lawn to be watered in. It also works wonders for different grass types, including bent, Buffalo and Kikuyu. According to several reviews, it effectively makes their grass thicker and greener as fast as 7 days. However, its nutrient release heavily depends on soil type and temperature.

Hortico All Lawn Fertiliser Granule Formula

Best quick-acting lawn fertiliser

• Feeds for up to 3 months

Cons

• Difficult to spread
• Lumpy granules

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Hortico's All Lawn Fertiliser Granule Formula is our pick for the best quick-acting lawn fertiliser. It has a rating of 5.0 out of 5 stars on Bunnings.

Hortico's All Lawn Fertiliser Granule Formula contains potassium for improved leaf strength and wear resistance. It also helps improve soil structure by increasing its ability to retain nutrients and water. According to the manufacturer, it is suitable for all lawn types.

Customers praised the product's affordability and versatility. It's a slow-release feed that helps maintain grass health for up to 3 months. Reviews added it makes their lawn healthier and more luscious. A customer also recommended watering the grass before and after using the fertiliser for optimal results. However, a few others found it difficult to use because the granules are lumpy and hard to spread.

Scotts Lawn Builder All Purpose Slow-Release Lawn Fertiliser

Best lawn fertiliser for Kikuyu

• Suitable for large lawns

Cons

• Not suitable for lawns less than 8 weeks old
• May cause burning if used when temperature exceeds 30ºC

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With an average rating of 4.05 out of 5 stars on Bunnings and ProductReview, we recommend the Scotts Lawn Builder All Purpose Slow-Release Lawn Fertiliser as the best option for Kikuyu.

Scotts' Fertiliser contains patented time-release nitrogen, providing continuous nutrients for up to 3 months. It is suitable for all lawn types, especially Kikuyu, bent and Santa Ana Couch. It doesn't require watering as well.

Customers gave positive feedback on the fertiliser's ease of use, high-quality ingredients and results. It contains iron, promoting healthier and greener grass. Customers said that it is easy to spread without leaving patches on their lawn. It also gives visible results in just 1 week. A single 8kg bag can cover up to 570sqm as well. However, the company recommended against using the fertiliser when the temperature is above 30ºC. Additionally, it's unsuitable for younger lawns.

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Richgro All-Purpose Lawn Fertiliser

Best lawn fertiliser for couch grass

• Fast acting

Cons

• Forces grass growth
• Phosphate-free

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Richgro's All-Purpose Lawn Fertiliser is our pick for the best couch grass lawn fertiliser. On Bunnings, it has a rating of 5.0 out of 5 stars.

Richgro's All-Purpose Lawn Fertiliser is a fast-acting feed that releases all the nutrients for greener and healthier grass in no time. It is suitable for all lawn types, including Buffalo lawns. Apart from being phosphate-free, it contains nitrogen, iron and potassium. A 2.5kg bag can cover up to 100sqm as well.

The general sentiment is that this all-purpose fertiliser is a solid choice for healthier grass in no time. Customers said it's made their lawn a lot thicker and greener in just a week. Because of its nitrogen content, the fertiliser also works wonders in making couch grass luscious and healthier. People also raved about its affordable price point, but a single 1.5kg bag can only cover up to 100sqm.

Seasol Hose On Lawn Care

Best lawn fertiliser for summer

• Easy to use

Cons

• Doesn't evenly coat grasses
• A customer said that the product has a stinky smell

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If you're looking for lawn fertilisers for summer, we chose Seasol's Hose On Lawn Care as the best one. It has a rating of 5.0 out of 5 stars on Bunnings.

With a double-concentrated formula, Seasol Hose On Lawn Care promotes healthier lawn and enhanced foliage colour. It is suitable for all lawn types, including Buffalo. According to the company, it's a fast-acting liquid, working immediately to produce more luscious greenery as fast as possible. One 1.2L bottle can cover up to 125sqm as well.

Customers said that this hose-on fertiliser can be used all year round, but they prefer this during the warm season. It makes their lawn livelier and thicker. People with Buffalo lawns added that it helps enhance the thickness and vibrancy of their grasses. Despite being easy to use and spread, it doesn't evenly cover grasses. Buyers recommended doing multiple coats to avoid patchiness. A critic also said it has a somewhat stinky smell, but added that it's not a huge issue.

Yates Dynamic Lifter Concentrate Lawn Food

Best natural lawn fertiliser

• Contains Blood and Bone, fishmeal and seaweed

Cons

• Not for larger lawns
• Leaves a slight manure smell according to one review

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With an average rating of 5.0 out of 5 stars on Bunnings and ProductReview, we selected the Yates Dynamic Lifter Concentrate Lawn Food as the best natural option.

Yates' Dynamic Lifter Concentrate Lawn Food contains Blood and Bone, fishmeal and seaweed to organically enhance the soil. It also has composted chicken manure, promoting a more luscious and healthier lawn. According to the company, it also helps improve soil health and moisture retention. Additionally, a 7kg bag can cover up to 250sqm.

The general sentiment is that this product is a great alternative if you want to try more organic and natural fertilisers. It has finely milled granules that filter through grasses for better nutrient absorption. Customers also said it doesn't burn their lawn, while others praised the product for making their grasses thicker and greener. It has a slight manure smell that lingers for a couple of days, but this doesn't bother most people.

Save on lawn fertilisers with these deals and discounts:

Methodology

Why you can trust our picks

We considered the following lawn fertiliser brands:

• Amgrow
• Bunnings
• Garden Basics
• Hortico
• Lawnporn
• Miracle-Gro
• Munns
• Neutrog
• Pennington
• PowerFeed
• Richgro
• Scotts
• Seasol

• Yates

We carefully selected products with the highest customer ratings on Amazon, Bunnings and ProductReview for this list. We ended up with a total of 47 lawn fertilisers for comparison.

We then researched each product and its features. We also considered ratings and customer reviews on Amazon, Bunnings and ProductReview (as of August 2021). We came up with what we believe are the 9 best lawn fertilisers available right now in Australia.

Frequently asked questions

How long can fertiliser sit on your lawn without watering?

Most fertilisers can sit on your lawn for up to 24 hours without water. However, your lawn may need watering immediately if you're using a fast-acting lawn fertiliser.

When is the best time to apply lawn fertiliser?

Early spring is the best time to apply a lawn fertiliser while the grass starts greening and growing.

What is the difference between a lawn fertiliser and a garden fertiliser?

Garden fertiliser is typically applied directly to the soil and is in granular form. Lawn fertiliser is usually in liquid form and needs to be diluted with water. It is then sprayed on the grass and washed off into the soil.

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