obnoxious plant
A plant that is so annoying it makes your brain short-circuit. It’s like the plant is trying to take over your life and you can’t even breathe.
That shrub is so perfectly trimmed, it’s like it’s trying to be perfect and it’s annoying.
That tree has leaves that are all over the place, like it doesn’t know what it’s doing.
That plant is so obnoxious, I think it’s trying to take over my brain.