i purchased neem oil to kill catterpillers on my plants but i am unsure what concentration i need and if i can use it during flowering. can anybody help me please.
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i purchased neem oil to kill catterpillers on my plants but i am unsure what concentration i need and if i can use it during flowering. can anybody help me please.
It won't kill caterpillars. It will probably stop them feeding though.
Read the bottle for mixing instructions.
You can use it up to 3 weeks before harvest. It isn't toxic to humans, just smelly and bitter tasting, so you need to give 3 weeks to break down, and don't spray on buds, obviously.