3 verified picksAmazon AU verified

Compare the top 3 lawn fertilisers in Australia 2026

3 Australian-verified lawn fertiliser picks compared side by side: Brunnings Green Up Lawn Food 2.5 for the cheapest verified buy; Brunnings Green Up Lawn Food 5 for the best-value most-households pick; Lawnporn Four Seasons Granular for the segment ceiling. Every product has live Amazon AU stock at the last data refresh.

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PREMIUM PICK

Lawnporn Four Seasons Granular Fertiliser 4 kg

Slow-release mini-prill that feeds for up to 16 weeks

$65.95★ 4.4 (23)

Feed durationUp to 16 weeks

FormSlow-release granules

Pack size4 kg

Prill size150 SGN mini-prill

Slow-releaseUp to 16 weeksEnthusiast pick

Slow-release granular that feeds for up to 16 weeks from a single spread
Fine 150 SGN mini-prill spreads evenly and settles into the turf
Controlled-release potassium for wear and heat tolerance

Why we picked this

It is the closest thing to a set-and-forget lawn feed. The fine prill spreads without streaking, and because the nitrogen and potassium release slowly you get steady colour for months instead of a fast surge followe…

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VALUE PICK

Brunnings Green Up Lawn Food 5 kg (Pack of 2)

Bulk granular NPK at about $12 per 100 sqm

$49.30★ 4.6 (40)

Total weight10 kg (2 x 5 kg)

FormGranular NPK

Cost per 100 sqmAbout $12

Grass typesBuffalo, kikuyu, all

Best valueBulk 10 kgAll grass types

10 kg total across two 5 kg bags for larger lawns
Blended NPK with phosphorus for root growth, greens in days
Works out to roughly $12 per 100 sqm at the label rate

Why we picked this

This is the value sweet spot. You get 10 kg of a proper granular lawn food for under $50, which covers a decent yard for the season and still greens up in days rather than weeks. It is faster-acting than the slow-re…

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BUDGET PICK

Brunnings Green Up Lawn Food 2.5 kg

Small bag under $20 for courtyards and nature strips

$16.20★ 4 (16)

Weight2.5 kg

FormGranular NPK

CoverageAbout 100 sqm

PriceUnder $20 a bag

BudgetSmall lawnsUnder $20

2.5 kg bag covers about 100 sqm at the label rate
Same greening NPK blend as the larger Brunnings bags
Spring and autumn feed with a clear per-square-metre rate

Why we picked this

If you have a courtyard, a nature strip or you just want to see whether feeding makes a difference before committing to a big bag, this is the low-risk buy. At $16.20 it is the cheapest pick here, covers about 100 s…

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Which one should you buy?

For most lawns the slow-release Lawnporn Four Seasons granular is the set-and-forget pick, but it is the priciest here. The Brunnings Green Up 5 kg twin pack is the best value granular per 100 sqm, and the 2.5 kg Green Up bag is the cheapest way to start feeding a small lawn.

For full context on why we ranked these the way we did, what alternatives we considered (and rejected), and the broader buying-guide framework, read the full The best lawn fertilisers in Australia for 2026.

Verify the data yourself

Every pick on this page is sourced from NestPath's AU Verified Amazon Appliance Dataset, a CC BY 4.0 licensed open dataset of 352 editorial picks across 83 categories. The dataset includes the same data shown above (brand, price, availability, rating, review count, editorial pick role, last-verified date) plus the canonical Amazon AU URL for each ASIN. Free CSV and JSON downloads.

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