Plant a lavender hedge around the onion patch to protect them from onion maggot and lavender bushes around fruit trees to deter codling moth.Rosemary planted near carrots deters carrot fly and bean beetle. Sprigs of rosemary placed with clothes deter silver moth and silverfish. Put sage bushes near doorways to keep ants away. Planted in the vegetable garden sage is believed to keep mice away.
Plant fennel near doorways and windows to repel flies and mosquitoes. Place fresh leaves in your pets bedding and rub through its coat to ward off fleas.
Use both annual and perrenial chamomile flowers to make anti fungal spray by pouring one litre of boiling water over two firmly packed cupfuls of fresh flowers, steep then strain.
Protect cabbages, beans and tomatoes by planting basil nearby.
When making, using and storing home-made pesticides, wear gloves, goggles, long sleeved shirts and trousers and waterproof shoes.Citronella oil is a general insect repellant and can be used as bait to trap and drown codling moth, light brown apple moth and male fruit flies.
Garlic spray can be used to kill or repel a range of pest such as aphids, woolly aphid, bean fly, stink and horned bugs, crickets and grasshoppers.