The clever trick can help gardeners to naturally reduce pest problems and minimise the need for chemical pesticides.

Leafy greens like spinach and kale are rich in nutrients but may contain pesticide residues. Cleaning methods such as rinsing ...

Most gardeners grow cabbage and kale from started plants rather than from seed. Choose healthy-looking plants. Look under the leaves and along the stem for any insects, especially aphids ...

Brussels sprouts and kale should be 15cm (6in).Water the day ... Brassicas are affected by a wide range of pests and diseases, especially the fungal disease, club root. The roots become stubby ...

Instead, the farm relies on physical pest control methods, such as insect traps, and uses bio-organic fertilizers made from soybeans and peanuts. "Kale contains an insect-resistant element ...