Category Archives: Pest-free Gardening

Camellia leaf gall

If new leaves on Camellia plants become thick and very pale green or pink, and the underside of the leaf starts becoming white – the plant is suffering from ‘Camellia leaf gall’. This is a fungal disease that affects tender … Continue reading

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Rust diseases

There are hundreds of types of fungi that cause ‘rust’ on plants but each type has a limited number of host plants so that your whole garden is not likely to be overrun by rust. Rust can occur in various … Continue reading

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Herbicide damage

Broad-leaf weed killers that contain the pyridine herbicides have caused widespread damage to many gardens in New Zealand, the UK and the US in recent years, and these herbicides are now being sold in Australia. Pyridine herbicides include aminopyralid, clopyralid, … Continue reading

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Downy mildew

Many parts of Australia are experiencing flooding, while West Australia is experiencing extremely hot weather with bushfires in the south, so looking after the garden is the least of their problems. My sincere sympathy to all those affected by these … Continue reading

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Pesky parrots

Another post about roses this morning, but this is a problem that can affect the entire garden. Amy in WA is having trouble with ‘twenty-eight parrots’ nipping leaves and new growth from her treasured rose bushes. I understand how annoying … Continue reading

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Budworms

Joanne in S.A. is having problems with budworms attacking her roses. Budworms are caterpillars of the Helicoverpa moth family (previously called Heliothis moths). These destructive pests also attack stressed plants of sweet corn, tomatoes, a range of other fruits and … Continue reading

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Stink bugs – update

An environmentally-friendly way of getting rid of stink bugs is to use a stick to knock them into a container with some methylated spirits in the bottom of it, so that you don’t have to come in direct contact with … Continue reading

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CCA treated timber restrictions

I am concerned to hear that CCA treated timber has been used to construct garden beds and other structures in some school gardens, so it might be a good time to remind readers that the uses of these timbers have … Continue reading

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Derris dust

Following my post on organophosphates and ADHD, one of my blog readers asked for more information about derris dust (rotenone) that has been popular with organic gardeners for pest control as rotenone is an organic pesticide made from the roots … Continue reading

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Organophosphates and ADHD

Earlier this week, ‘Today’ program on Channel 9 aired a segment about new research showing a link between organophosphate pesticides and ADHD. The research involved 1,139 children between 8 and 15 years and found high levels of organophosphate metabolites in … Continue reading

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