Pests & Diseases
Identifying garden problems early and managing them without harsh chemicals.
Downy Mildew: How to Spot It and Keep It in Check
Downy mildew shows as yellow angular patches on top of the leaf and grey fuzz beneath. Here is how to tell it from powdery mildew and manage it.
Cabbage White and Diamondback Caterpillars: Protecting Your Brassicas
The holes in your cabbages and broccoli are the work of two caterpillars. Here is how to tell them apart and keep them off, mostly without spraying.
Aphids: How to Spot, Control and Prevent Them in an Australian Garden
Aphids cluster on soft new growth and multiply fast in spring. Here is how to spot them, control them organically, and keep them from coming back.
Powdery mildew, blossom end rot and other common vegetable troubles
Powdery mildew, blossom end rot, yellowing leaves and bolting all look alike but have different causes. Here is how to read each one and what to do.