yes humidty would be a problem, too much of it in flower could cause mold
keeko Reviewed by keeko on . Growbox outside?! i guess this goes here.... i dunno. but i was thinking about growing this summer. problem is i'm gonna be home from school. i have a shit load of woods behind my house. the natural outdoor growing of cannabis would be impossible in these woods, not enough light. plus it needs to be stealthed. so my idea is posted below in the picture. it's a rubbermaid grow box, but outside! in a hole! my only concerns are ventalation, temperature, and humidity. i'll surely be doing some tests before i Rating: 5