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Garden Supply | Organic Fertilizer | Composting | Indoor Gardening › Forums › Pests, Weeds & Disease › Copper Spray & Neem Oil › Reply To: Copper Spray & Neem Oil

March 28, 2016 at 10:52 am #192141

E. Vinje
Keymaster

Hi Barbara –

It depends on if you are using a copper concentrate spray or a “ready to use” variety (RTU). I would be more concerned about burning plants if you are using the concentrate, especially if there are citrus trees in your orchard. I would refrain from applying neem for at least 24 hours after liquid copper application, and would highly recommend using the RTU spray. Find exactly what you’re looking for here:

https://www.planetnatural.com/product/liquid-copper-spray/
https://www.planetnatural.com/product/pure-neem-oil/

Happy Spring!