There is a large nest of big black carpenter ants in my garden, at the base of a large tree maybe a dozen feet from my (wood siding) house. I'm all in favor of ecosystems and letting creatures live in peace, but I wanted to ask - are the ants likely to move into my house, and so should I take steps to remove the nest? Or are they a danger to that tree? If I leave them alone, can I plant anything in that area? They've buried small plants that I've put there (you can see the dirty leaves of a lily-of-the-valley that I just unburied), but that soil sure is well aerated. Thank you!!