Insect Repelling Plants


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Insect Repelling Plants

Natural pest control can help you maintain a beautiful herb garden. Either companion plant or place these pest repelling plants in places where they will do the most good.



Ocimum basilicum

  • In pots and window boxes against Flies
  • Companion for cabbage, tomato and beans –downy mildew. Basil oil on skin against mozzies
  • Made into spray – aphids, woolly aphids, flies, fruit flies, leaf miners, mozzies, scale, spider mites, thrips, whitefly.
  • Also caterpillars, earwigs, millipedes, pear and cherry slug, pumpkin and other beetles, slaters, spiders and weevils.


Laurus nobilis

  • Leaves in containers to present weevils.
  • And on shelves to keep ants away
  • Deters moths and silverfish from clothes and books.
  • Grow near plants that are prone to caterpillar attacks


Calendula officinalis

  • In vegie gardens will keep white fly away from tomatoes, beans and other vegetables
  • Deter asparagus beetles
  • Helps protect tender plants from aphids


Nepeta cataria

  • When planted around onions it will repel onion maggots
  • Spray can be used as general insect repellent if other stronger sprays are not needed
  • Catmint oil has been used to kill head lice
  • Grown around vegie gardens and near houses to repel mice and rats


Chamaemelum nobile, Matricaria recutia

  • Anti fungal spray
  • Spray deters aphids, lessens the risk of botrytis, stops the spread of leaf spot on strawberry leaves, and stops rhubarb crown rot if sprayed in summer.
  • Stops brown rot from spreading in fruit trees
    spray combined with garlic & Nettles makes an effective spray against thrips.
  • Plant near brassicas to confuse white cabbage butterfly
  • Generally keeps plants nearby healthy and is supposed to enhance their perfume.


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.


Allium schoenoprasum

  • Grown around susceptible plants like roses will help to keep away some problem insects like aphids, borers and spider mites.
  • Plant chives around the base of fruit trees to repel climbing insects and under apple and pear trees to prevent apple scab, black spot and curly leaf.


Eucalyptus spp., Corymbia spp.

  • Oil- repellent, insecticidal and disinfectant
  • Usually acts to deter pests from feeding
  • Prinkle dust or fresh leaves on cockroach runways to repel them
  • Paperbags sprinkled with eucalyptus oil and tied around fruit will protect them from fruit bats andpossums.
  • Pure eucalyptus oilw ill kill aphids, scale, slaters and many other pests.
  • Use the oil in cool weather only otherwise growth and flowers may burn
  • Infused Oil (not essential oil) on skin can repel ants, & flies….never put PURE oil on skin.
  • Might repel ticks and leeches.
  • Comb dilute oil or dust through pets coat to repel fleas, flies and ticks.
  • Add leaves to add to fire produce a pungent smoke which will repel mosquitoes.


Foeniculum vulgare

  • Leaves and seeds repel rather than kill
  • Grown in the gardenw ill deter aphids
  • Fennel flowers will attract predatory insects
  • Plant near doorways and windows to repel flies and mozzies.
  • Will repel fleas if placed close to pet’s kennel
  • Rub fresh leaves through pet coat or add fennel infusion to washing water to repel fleas.


Allium sativum

  • Spray will kill aphids, bean fly, stink and horned bugs, crickets, grasshoppers, locusts, red spider mites, sawfly larvae, scale, snails, thrips and wireworms.
  • Also deadly for caterpillars – particularly cabbage moth and butterfly caterpillar)
  • Used to prevent blight in potatoes
  • Important companion plant- repels both airborne and soilborne pests
  • Garlic plants deter leaf-eating beetles, spider mites and fruit flies, and the smell of garlic confuses carrot fly and white cabbage moths.
  • Grown carrots and brassicas in rows interspersed with garlic, onions and chives.
  • Planted around the base of peach & nectarine trees will lessen curly leaf infection and stops rabbits chewing bark.
  • Planted among raspberries protects them from grubs
  • Garlic bulbs dropped in termite mounds causes termites to move out and dried cloves of garlic keep weevils out of food.
  • Feed garlic to pets to repel fleas
  • Eat lots of garlic to stop mozzies biting


Lavandula augustifolia

  • Planted in the garden it protects nearby plants from insect attack
  • A headge around the vegie patch will protect from whitefly
  • Around inion patches protects from onion maggots
  • Lavender hedge will stop rabbits from invading
  • Bushes under fruit trees may deter codling moth around native tress repel moths whose larvae are borers
  • Will inhibit ants if planted around walls of your house.
  • Moth and silverfish repellent in the home


Rosmarinus officinalis

  • Planted near carrots deters fly
  • Confuses cabbage moths
  • Plants will also repel aphids, woolly aophids. Plant a row of rosemary around a vegie patch as a general pest repellent


Ruta graveolens

  • Repels ants and harlequin bugs
  • Repels flies
  • Strategically placed will deter cats and dogd marking territory.


Santolina spp.

  • Extremely useful moth repellent


Artemisia abrotanum

  • Repels aphids, bean fly, whitefly, fruit fly, fleas,
  • Keeps fleas off pets


Tanacetum vulgare

As southernwood and rue


Artemesia absinthum

As tansy

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