what the hell is this BURN???

Hate to say it but looks like possibly a sprayer that has had old weed killer in or something and not washed out properly or too strong bug spray with no wetting agent or something could even be animal piss
the sprayer was brand new but i did have some mix in there that was from the week before and sat outside till next use.. not sure how that might affect the insecticide but maybe that's the culprit
 

evergreengardener

Well-Known Member
Dont ever foliar spray in the day. Always early early morning when the suns coming up. That's when you're supposed to do it.
I work with plants on a day to day basis not just herbs but everything from 2 dollar plants to 200 dollar prized hydrangeas lol and in our industry the saying goes "water before 7 or after 7" to avoid burning plants
 
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