Used Neem oil on new red tip photinias

One plant had some type of bug eating the leaves and another plant looked like the leaves had issues with mold. I used a spray product that was probably not pure neem oil. I sprayed them in the afternoon of an 80-plus day! So I now know to use a 100% product diluted with soap and apply on a cool day! Now the leaves are wilted. (not dead but not good looking) If I pull the plants out and toss them, should I remove the soil they were planted in also?

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1 Comment To "Used Neem oil on new red tip photinias"

#1 Comment By GKH_Susan On 07/04/2020 @ 5:36 pm

Neem Oil comes in ready to use spray, concentrates, as well as other forms. It breaks down quickly in soil and water. If yours was a ready to use spray, it didn't need to be diluted. However, spraying during the hottest part of the day is a no-no. Always spray in early morning or evening. If the leaves are just wilted, but not brown or dead, I wouldn't pull them out just yet. They might survive. And if you do pull them out, wait about a month before replanting to be sure the chemical has broken down.

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