Coffee Grounds As A Herbicide

Caffeine is a biochemical with the purpose of affecting the germination, growth, survival, and reproduction of other competing plants. Do not add coffee grounds to worm farms.

Visit The 2018 Singapore Garden Festival with Jerry Coleby-Williams

Join Kew-trained horticulturalist, conservationist, television and radio talkback gardening presenter Jerry Coleby-Williams on a small group tour of Singapore to discover its horticultural and culinary delights.

Book Review: ‘Flowers in the Dust’, by Jenny Mace, published by Shady Tree, Australia, 2017

In the ancient landscapes of Queensland’s desert uplands grow many curious and attractive plants. Dame Quentin Bryce Ad, CVO, remembers the desert uplands for its ‘vivid red soils, its astonishing vegetation, its lakes,… Continue reading

My avocado fruit look sick. What to do?

It’s avocado season in Australia and Vietnam. Anthracnose disease can significantly affect the yield and quality of avocado fruit. It’s worst in warm, wet, humid, calm weather. Irritatingly, the symptoms of disease become… Continue reading

Protecting Pawpaw Plants Against Black Spot Disease

If you live in south eastern Queensland and grow pawpaw, it’s worth a quick health check right now. Mild, calm, showery, humid winter weather is perfect for observing outbreaks of pawpaw black spot… Continue reading

‘Putting sustainable food production into context’; Jerry Coleby-Williams, Patron, National Toxics Network Inc.

We ignore the following key aspects of sustainable food production at our peril:
* A culture of forgetting – we forget our horticultural history;
* Declining crop diversity, both in the range of species grown and in the genetic diversity within each crop;
* The oversimplification and impoverishment of systems of food production;
* A reluctance to apply the precautionary principle where using the least toxic solution in crop protection comes first;

Bellis Open Day, Mother’s Day Weekend, 13 – 14 May 2017

This is your opportunity to visit the amazing and affordable sustainable garden of well-known Gardening Australia presenter, Jerry Coleby-Williams. Get a first-hand look at what can be achieved on a suburban block. Everything can be copied using average gardening skills and a limited budget.

Tour Choice South Island Gardens of New Zealand with Jerry Coleby-Williams, Oct – Nov 2017

Grab your camera and join gardener and conservationist Jerry Coleby-Williams on an eleven day tour of choice gardens of the South Island of New Zealand while Middle Earth is looking its best this… Continue reading

A Taste of Vietnam in my Garden
/ Hương vị Việt Nam trong vườn nhà tôi

I’m waiting for the summer wet season to start. Until the rain arrives, there is little cloud to filter the hot sunlight.

 Thank goodness for old net curtains and shadecloth! 

I thought I would… Continue reading

Oil, Rust and Global Crises. Ten Years On…

Ten years ago British Petroleum closed Prudhoe Bay, the largest oilfield in the USA. Rusted, leaking oil pipes heavily polluted a region already suffering from accelerating global warming. At the same time, melting… Continue reading

Wallum And Kwongan: A Very Australian Paradise

Heathland is a general term for a gardenesque plant community found in parts of Australia where conditions are too tough for forest. In NSW, heathland is associated with sandstone, while Queensland’s Wallum heath… Continue reading

Mealybug: Kill! Kill! But How?

Question: “Hi Jerry, This year I have had the worst infestation of mealybug ever. My garden has never had them in the past, but this year everything including established Gordonia’s five metres high are… Continue reading

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