What is the best household remedy to ants contained by garden plants? I prefer not to use malathions and such materials? ...

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Answers:    Two simple answers.

You can bait the entire lawn next to a product like Amdro or Top Choice every 90 days. It works great.

You can clear a professional lawn service to apply the commercial performance of Top Choice, and it will last a full year. and is extremely host specific. It is designed to control fire ants singular.

You can sprinkle diatomacious earth every 15 days around flower bed, This organic stuff will tear up ants exoskeleton. Also will verbs roaches and and any hard shell insect, devout or bad.

Both work, one is easier than the other.

Go drink a beer and contemplate.
Orchid growth question-- Keikis?
I know this is going to nouns weird, but my mom puts out grits. (and yeah be southern lol). The ants will eat the grits and it blows up surrounded by there little tummies and kill them. Dunno, but it works for her!