fresh from the potting bench
The Grow Blog
Straight-talking feeding advice from the CompleteGrow growers. What to feed, when to feed it, and why it works.
- 30 stories
- Written by our growers
- New ones every few weeks
newest!

Fertiliser
The True Cost of $5 Supermarket Fertiliser (And What’s Actually Inside)
A $5 fertiliser is built around a low shelf price. CompleteGrow is built around concentration, declared nutrients, trace elements and a more premium feeding…
Read the story The True Cost of $5 Supermarket Fertiliser (And What’s Actually Inside)pick a patch
spring has sprung
October in the garden
- Growth is picking up, so start feeding regularly again.All Purpose Plant Food
- Switch flowering and fruiting plants to a bloom feed once buds form.Read: Spring is here…
- Give citrus a feed for the spring flush of new leaves and blossom.Citrus Fertiliser
- Skip the coffee grounds on your pot plants.Read why
Tick them off as you go. New jobs each season.
oldies but goodies
Readers’ favourites
The older stories people keep coming back to.
FertiliserFresh this seasonThe True Cost of $5 Supermarket Fertiliser (And What’s Actually Inside)
A $5 fertiliser is built around a low shelf price. CompleteGrow is built around concentration, declared nutrients, trace elements and a more premium feeding formula.Read the story
FertiliserFertiliserMineral Fertiliser Does Not Deserve Its Bad Reputation
Organic fertiliser sounds natural, but does it feed plants as reliably as mineral fertiliser? This simple growth trial compares plant response, leaf colour and final growth to show why available…Read the story
FertiliserFertiliserThe Biggest Mistakes People Make With Fertiliser
Many fertiliser problems come from weak, incomplete or badly matched products. Learn the biggest mistakes gardeners make with fertiliser and why proper mineral nutrition matters for stronger, healthier plants.Read the story
FertiliserFertiliserWithout Mineral Fertiliser, the World Would Starve
Organic fertiliser sounds natural and safe, but modern food production depends on mineral fertiliser. Learn why mineral nutrients are essential for feeding plants, supporting farmers and growing enough food at…Read the story
FertiliserFertiliserDifferent NPK Ratios: Fertiliser Guide
Learn what NPK ratios mean, how nitrogen, phosphorus and potassium affect plant growth, and how to choose the right CompleteGrow fertiliser for indoor plants, citrus, cactus, hydroponics and general garden…Read the storynot sure what to feed?
Fertilisers 101, in plain English
What N, P and K do, how to read a label, and which feed suits what you grow. Ten minutes that make every other story easier.
Nleafy growthProots and flowersKfruit and toughness
still scratching your head?
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Tell us what you’re growing and what it’s doing. Someone from our team will help you work out what it needs.
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