maybe you can convince mom its not as big a deal as it looks, depending on the size of your grow this may be in your favor.

i grow in my moms home, she knows its there and found out about it by the smell leaking through the house, her first reaction was the house can burn down which she is right so i gave her a tour of my grow box and showed her how well its vented for heat.

she doesnt smoke herb and really dont care to but she doesnt care about it either way, i smoke in the house,grow it, dry it, and take care of the electric bill when it comes in.

i guess my mom is alot cooler about things then most her thing is "its not illegal if no one knows its there" so i just keep under the radar and keep growing.