Outdoor grow. I noticed two or three ant hills around base of plant. One of which is directly beside the main stem. How should I get rid of them without harming the plant unless they are of no significance?
Take my advice !! ... I dont use it anyway ...
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Till the top two or three inches every day for a few days and then mulch the area with cedar chips. They will soon move elsewhere.
Neem oil worked me. Use it for a week or so if you not in flowering.
If you have ants there are probably aphids or spider mites in your near future. I added Mantis eggs this season and have yet to see ants in my area. I believe the mantis are taking care of the aphids and other pests and the ants have no reason to create a colony in them now.
"An ounce of prevention is worth a pound of cure."
Go to Lowes and get some Safer Diatomaceous Earth. Sprinkle a little ants will be gone moved on for sure all that dont die. Good Luck dirrtyd