It really doesn't matter. The septic shouldn't be leaking and in almost all cases is deep enough that the roots are not going to reach it. The same goes for the lateral field.
Anything but trees should be ok.
No, becasue if you do that then the old litter that used to be there will get into the garden soil and you won't be able to plant anything.
Yes it is safe for septic. If you go to the website for the product and look under their FAQS they state that it is safe for ALL plumbing and septic systems.
Almost certainly anything that can be used on pet or human skin, will be septic safe
NO. Muriatic acid is NOT safe for septic systems. This will ultimately kill much of the bacteria that processes your waste. Your septic system may become dormant and have to be pumped out totally.
Yes, the Mexican hat plant (Ratibida columnifera) is not considered to be toxic to humans or animals, and it is safe to have in your garden.
There could be a plant that isn't safe for a rabbit to eat.
My cats play with toilet paper. They scratch it, unroll it and roll in it. I can't get them to stop, but they don't eat it. You have a strange CAT. Septic Safe toilet paper is recycled paper with no chemicals. Should be safe to eat as long as it hasn't been used in the toilet or septic tank.
The are no known garden plaques that keep rabbits away. However, one safe and effective way to keep rabbits away from gardens are to spray a Tabasco and water mix on plants.
If your drain field is not working properly, what do you have to loose.
Purple coneflowers are especially liked by butterflies. Another good plant to attract butterflies is the butterfly bush. If you are attracting the butterflies with plants, make sure to give them a safe place to rest and sleep. There are wooden houses made just for the butterflies that keep all predators away while they are sleeping.
"The U Store recommends that you store their used septic tanks in a safe environment, where they will not be damaged due to overheating or overcooling."