Watch a quick introduction to guerrilla gardening on some goofy British TV show (YouTube).
Enjoy the banter: "It's like the fairies have been there!"
"It's for those people who don't want to spend a lot of time out in those grotty places."
And visit the web site for more on "seed bombs," "seed guns," and bureaucratic snafus.
How often can you talk about illicit gardening without getting the sheriff's department involved?