Why did the gardener get upset with the weeds?

This chuckle-worthy gardening gag sprouts its humor from a classic case of wordplay. The punchline hinges on the double meaning of "patch." In the literal sense, a gardener's "patch" is their plot of land, their carefully cultivated space where plants are meant to thrive. Weeds, being the uninvited guests they are, quite literally get into this patch, causing all sorts of trouble for the gardener.

But the humor truly blossoms when you consider the idiomatic meaning of "getting in someone's patch," which implies interfering with someone's business, encroaching on their territory, or generally being a nuisance. Any gardener can tell you that weeds are the ultimate offenders in this regard, constantly competing with their prized plants for sun, water, and nutrients, making the gardener feel personally affronted by their persistent invasion.

So, while a gardener might actually feel frustrated by weeds physically taking over their garden bed, the joke playfully extends that frustration to the feeling of having one's personal space and efforts disrespected. It's a relatable scenario for anyone who's ever battled the botanical intruders, wrapped up in a neat, pun-tastic package.