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Every September we get customers bringing in thickened bubbly curled and distorted leaves from their peaches and nectarines, by then it is too late to treat and all we can do is offer a rueful smile and tell people what

Myrtle Rust is a plant fungal disease that was first diagnosed in NSW in Myrtaceae family plants in April 2010 Myrtle Rust is now in Victoria. To a greater or lesser extent (depending on flora and climate conditions) this will

These little insects are 3-7mm long and covered in a white ‘mealy’ wax. Adults are slow moving and feed by sucking sap from the plant tissues. Females lay their eggs in a cocoon of waxy filaments, as many as 200

Land Cress (Barbarea vulgaris and Barbarea verna) releases chemicals which attract the Diamondback Moth (right) and the Large Cabbage Moth (left) – both small brown moths which are common pests in the vegie garden. These moths lay their eggs in

This disease has become almost endemic in apricot trees across Melbourne. It is now a disease that we need to prevent, live with, and manage. Gummosis is identified by the gum or sap that oozes from a wound in the

Elm Leaf Beetles are present on most Elms throughout Melbourne. There are many Elm trees in Melbourne, both planted as street trees, in public parks and reserves, and in private gardens. Although the Elm Leaf Beetle is present in significant

This is great shot of Cottony Cushion Scale on a citrus leaf which was brought into the nursery for identification. It shows them sitting along a citrus leaf, along the middle rib. This is where you will normally see them

The chemicals commonly used to control codling moth also kill beneficial insect species, which contribute to biological control of other pests. Consequently increased chemical sprays are required for control of other pests. The most successful way to avoid this problem

Phyllocnistis citrella This is a small nocturnal moth which lays its eggs on the underside of soft fresh leaves of citrus. The eggs hatch and the larvae rapidly burrow under the surface of the leaf, and it is these larvae

Citrus gall wasps (Bruchophagus fellis) are small (3mm) shiny black wasps native to northern Australia. There they have natural predators (two parasites) which keep the number of gall wasps under control. As the wasps have gradually moved south (thought to

The Cabbage White Butterfly (Pieris rapae) and the Cabbage Moth (Plutella xylostella), along with their offspring (the very hungry caterpillars!) are responsible for the eaten leaves and irregular holes in the leaves of vegetables such as Cabbage, Cauliflower, Kale, Broccoli,

Also known as Scab or Black Spot, this is a fungal issue affecting stone fruit. It is seen as small dark spots on immature fruit, becoming round brown freckles, sometimes scabby, on mature fruit. It is often just cosmetic and

This starts first on new shoots as crinkled leaves and then a soft white powdery fungus (Podosphaera pannosa) appears, if left alone it will rapidly spread across the plant and infect other roses. The problem is worsened by poor airflow,

Blackspot on Roses Blackspot is a fungus (Diplocarpon rosae) that appears initially as black spots on leaves, progressing to large black spots fringed with yellow rings. As the disease spreads, the entire leaf will go from green to yellow and