Jane's Delicious Garden Blog

Basic pest repelling spray

Posted in Garden Diary by Jane Griffiths on the September 9th, 2019

Healthy organic gardens always have a few resident pests to provide fodder for predatory, beneficial insects, which in turn reduce the need for additional pest control. However, when these troublesome pests begin to destroy the garden, you need to take action. To dissuade them, grow strong smelling plants such as citronella pelargonium, artemisia, tansy and feverfew among your flowers and veggies. Use their leaves as pest repelling mulch or to whip up an inexpensive home-made spray.

  • ½ bucket leaves and stems of citronella pelargonium elder, tansy, feverfew or African wormwood
  • just-boiled water
  • 2T dishwashing liquid

1. Add the water to the bucket of leaves and stems, stir and leave to stand overnight.

2. Strain, add dish-washing liquid and mix.

3. Spray onto affected plants every few days as this herbal insecticide breaks down quickly. Make sure you spray underneath the leaves as well as on top.

  • The spray will keep for up to a month.
  • Don’t discard the leaves and stems after they’ve been steeped in water, rather add them to your compost heap.
  • To increase the efficacy of the basic spray, include garlic, onion and chilli. Chop these ingredients up finely and add to the plants with the just-boiled water.
  • To repel wool-eating moths, dry the leaves of elder, tansy, citronella pelargonium, feverfew or African wormwood and place in single socks. Tie the top closed with a ribbon and tuck amongst your woollies.

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