Off topic, but related to weeds and weeing:
I used to have a plot in our city's community garden for a number of years. Returners were allowed to keep their same plot, so over a few years I gradually became friends with an elderly guy who had one of the plots next to mine.
Every year in one corner of his plot, Dale would plant a small patch of what we call shattercane (a grass in the sorgum family), which can easily reach over 8 feet in height, and has lots of long leaves (similar to corn) - all of which make an excellent visual screen. It's also considered a noxious weed because it competes aggressively with desired crops for nutrients and moisture.
I should at this point mention that there was no toilet nearby, and no way to discretely relieve yourself, what with the community garden being right at the intersection of two busy roads in town. If you couldn't wait, it meant loading everything back up in your vehicle and driving to a bathroom, which of course could easily take 30 or 40 minutes (or more) of your time.
Dale, being in his late 70's, had some issues with bladder control - hence the small patch of shattercane, just big enough for one person to stand in the middle of and completely disappear from public sight for a minute or so.
I am unashamed to admit that there were a few times I too "watered" Dale's patch of shattercane, once shown the light. If nothing else, simply in homage to the man's simplistic genius.
Sadly, Dale suffered a heart attack not long after, and was bedridden for the remainder of his life. His plot was given to the next person on the waiting list, and the shattercane restroom was no more.