HELP! After 15 years of doing a typical 3 step lawn treatment, I would like to add gardening space to my backyard. In the last five years we have added raised beds behind a fenced area where we do not treat, but are finding that is not sufficient space for our needs. I would like to add more raised beds which means I have to move into the treated area. I would also like to add berry bushes which I know will root more deeply. Is there any way I can safely do this since the area has been treated? We have looked to move to the country where we would have more space, but cannot afford to do so. Any help you can offer would be greatly appreciated!