Common insect pests on winter vegies include caterpillars and aphids. Caterpillars can chew through leaves and also into broccoli and cauliflower heads.To control caterpillars, spray plants each week with Yates Nature's Way® Caterpillar Killer (Dipel). Based on beneficial bacteria, it's approved for use in organic gardening and will only affect caterpillars.
Aphids are tiny sap sucking green, grey, brown or black insects that cluster under leaves and amongst stems. Often present in large numbers, they deplete plants, can cause leaf yellowing and distortion and significantly impact your harvest. To control aphids, spray plants with Yates Nature's Way Vegie & Herb Spray.
It's an insecticidal soap that controls soft-bodied insects like aphids, as well as whitefly, mites and thrips. An added bonus is that it's approved for use in organic gardening.