A waterbed mattress makes a nice water tank without too much difficulty to hide. Plant the mattress uphill from the grow and use a gravity-feed system to keep them watered a little bit all the time, as in a drip irrigation system. The only hard part is filling it up but once done it'll supply a few plants for a couple months using Rainbird lines and drip emitters.
madeline Reviewed by madeline on . water considering an outdoor geurilla grow; i'm in boulder, CO. finding a suitable location is going to be difficult, but i'm willing to try. i'm not going to put a lot of time into it, and i won't be visiting often. there is lots of open space around here, but lots of hikers too. still i have some ideas off the beaten path, probably up on the hillsides. anyway, my main question is WATER. we don't get much rain. can i plant on a hillside and the plants will grow without me watering them? in the Rating: 5