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…

Read More

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…

Read More

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…

Read More

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,…

Read More

Pest Repellent Plants

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

Read More

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.…

Read More

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…

Read More

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…

Read More

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,…

Read More

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…

Read More

Roses, Salvias and Sustainability

In Glen Waverley, Melbourne, a committed gardener has created what many might view as a fairly traditional garden – white picket fence and roses –…

Read More

Reducing Weed Spread

"Garden plants are the biggest source of weeds in this country totalling 70% of Australia’s combined agricultural, noxious and natural ecosystem…

Read More

Why Sustainable Gardening?

Some people might ask why SGA talks about sustainable gardening rather than just gardening. The fact is that horticulture in the hands of home…

Read More

Pesticides in Fruit and Vegetables

We are all aware that fruit and veggies produced commercially, unless they are certified organic, have been exposed to pesticides at some stage in…

Read More

Locking up Carbon in Soil

Messages about addressing climate change mostly focus on decreasing carbon dioxide emissions by reducing use of electricity and gas and increasing…

Read More

Is Biochar “Wonderstuff”?

Biochar has been hailed as a useful contributor to reducing the world’s increasing carbon emissions since it stores carbon in the soil1 . It has also…

Read More

Neem

Neem products are sold for a variety of uses. In the garden, some people hail neem oil spray as a wonder pesticide.   It  has also found its way into…

Read More

Why does SGA rate so few Weedicides as Low Environmental Impact?

Weeds seem to grow anywhere and everywhere. When they turn up in our gardens, competing for nutrients in soil and filling all available gaps, it is…

Read More

Citrus Gall Wasp

  Citrus Gall Wasp Many of our more persistent garden pests are not native to Australia but citrus gall wasp is definitely an Aussie grown garden…

Read More

Worm Wicking – One Year On

Last August, I wrote an article for SGA about my first attempt at a Sustainable Wicking Worm Bed.   For details see…

Read More