Rhubarb leaves make a very effective natural pesticide for leaf eating insects, and it is easy to make. While the stalks are perfectly edible, the leaves contain oxalic acid, a poison that can stop your heart. It will also stop insects in their tracks. A word of warning, don’t use this if you have dogs. They are attracted to the soap and my lick it, with fatal results. If you don’t have dogs, make this natural pesticide to protect your flowers.
- Moderately Easy
- Old stock pot
- Leaves from about 20 rhubarb stalks with leaves
- Old colander
- Clean Bucket
- Spray Bottle
PREPARE THE LEAVES: Use latex gloves, if you want to, a thorough washing of the hands after handling should be sufficient to remove any toxins from your hands. Remove the leaves from the rhubarb stalks. Make Rhubarb pie with the stalks. Shred the leaves and place them in the pot.
STEW THE LEAVES: Cover with water and bring to a boil. Reduce heat and simmer for 20 minutes. Remove from heat and cool.
STRAIN: Set the colander over a clean bucket. Strain the leaves from the water. Pour the rhubarb leaf natural pesticide water into the bottle, using the funnel. Add a tbsp of liquid soap, cover and shake. Save an extra in a clean bottle or jar. Label all containers with red tape and POISON with a marker.
CLEAN UP: Wash all of the utensils you used thoroughly with soap and water. It is best to use old pots and pans or utensils that will not be used again for food preparation.
USES: Use Rhubarb Leaf Natural Pesticide to control pests on flowers and shrubs. Use to control aphids, caterpillars, mites, and more. There is controversy as to whether it is safe to use on fruits and vegetables. If you decide to use it in this manner, make sure you wash your fruits and vegetables thoroughly before use.