Citrus Leafminer

Describe yourself: I’m the tiny larvae of a beautiful silver moth, and am very rarely seen. That said, you can sure see my silvery trail of…

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Mealybugs

Hi, my name is: Mealybug Describe yourself: I'm about 4mm long, and I'm a real sweetie, covered in a lovely layer of white powder. Although I may…

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Winter Washing of Fruit Trees

Although it may look like there is not much happening with your fruit trees over winter, the microscopic world of fungi is making plans,…

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Virus or Variegation

A common error gardeners make is to assume that appearance of coloured areas on leaves is caused by natural variegation, fungal infection or nutrient…

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Aphids

Hi, my name is: Aphid Describe yourself: I'm a real softy, small in size (around 2 - 3mm), with a shiny, transparent green or yellow body! I…

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Preventing Spread of the Queensland Fruit Fly

QFF depositing eggs in a tomato. Photo: J. Newman, M. Schultz Queensland Fruit Fly (QFF) are tropical Queensland rain forest insects, that need the…

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Seaweed as Fertiliser Pt. 2

Seaweed products are valuable sources of fertility for garden soil.  Click on the image below for a video which is the second part of a Sustainable…

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Seaweed as Fertiliser Pt. 1

Seaweed is a valuable source of minerals which are necessary for plant growth.   Click on the image below for a video which is the first part of a…

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Feeding Your Plants

Gardening is a bit like life really... the more you know, the more you know you don’t know. It can be so full of hits and misses, trials and errors,…

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Green Manure

If you have a bit of space in your garden, growing green manures or cover crops is a great way to improve soil fertility and add organic matter to…

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Are glyphosate products safe to use?

Unless you follow the news in detail you might not know about current debates regarding the weed killer, glyphosate, widely used in garden products…

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Black Spot of Rose

Hi, my name is: Black Spot of Rose Describe yourself: Umm, my name pretty much says it all. I'm a black spot, kinda round with fringed margins and…

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Snails & Slugs

Hi, my name is: Garden Snail Describe yourself: Like most of the snails in your garden I'm a foreigner to this land. I am a bit of a nomad,…

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Pest Repellent Plants

Every garden is sometimes afflicted with pests - grasshoppers, cabbage white butterfly caterpillars, scale and aphids being very common.  Is it…

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Could manures, composts or mulch damage plants?

As sustainable gardeners we are probably relying quite a bit on commercially sourced compost, manures and mulch to help promote healthy plant growth.…

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Plant Nutrients Explained

Although SGA recommends primarily using organic material such as compost and manures to promote fertility, it's worth thinking in more detail about…

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Good Flies

Not all flies are bad!  We are used to being concerned when we see a blowfly, thinking it carries disease, or being annoyed by those pesky common…

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Tips for Starting an Organic Garden

Just beginning to garden on an empty piece of land?  Or making over an existing one? It can be confusing if you consult magazines or websites to know…

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To Chop’n’Drop or Not

If you haven’t heard about “chop’n’drop” you can probably work out roughly what it means i.e. when pruning shrubs, trees or pretty much any plant,…

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Seaweed Extracts for the Garden

The term “seaweeds” here to refers to macroalgae – the kind you see clinging to rocks at low tide, or in beautiful subtidal gardens (these can also…

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