Bordeaux Mix

Wettable powder combination of copper sulfate and hydrated lime. The powder may be dusted on the plant dry or mixed with water and sprayed on.

It’s classified as a fungicide with insecticidal and insect repellant properties.



  • read product label carefully and follow directions
  • may burn foliage
  • safest to apply just before plants leaf out
  • injury is most common at below 50 degrees F and when humidity is high
  • Copper is toxic to humans and animals, but its toxicity is somewhat buffered by combining it with the lime

How to Use:

  • dust directly on to plants
  • mix with water and spray

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