well i found only 1 place in my entire house (3 stories..) which i dont think my mom would notice. Its in a crawlspace, but its in a concealed corner. i think i could pull off making a box grower like chaos, but the only issue i have now is getting electricity to it without it being obvious. Also theres pink insulation all around, so it might be a fire hazard.. :/

i would grow outside, but my backyard is the lake, and anywhere outside of my cul de sac is a frequented road.