[Basil] Chilli [Ocimum basilicum] Capsicum sp.
Peppers act as contact/stomach poison and it will kill smaller pests as well as repelling larger ones. To kill or deter ants mix equal parts borax and powdered chilli – spread in their path Group chilli on plants wet with dew will deter caterpillars a and grasshoppers, also temporary deterrent for rabbit and possum Useful against aphids, ants and caterpillars but it will burn very young plants so use carefully.