“I bought some rocket salad yesterday, but it went off before I could eat it”

“Rocket salad” doesn’t contain rocketships, but there’s a joke:
   
“I bought some rocket salad yesterday, but it went off before I could eat it.”
 
The joke was posted on Twitter on September 18, 2011.
 
   
Wikipedia: Eruca sativa
Eruca sativa (syn. E. vesicaria subsp. sativa (Miller) Thell., Brassica eruca L.) is an edible annual plant, commonly known as rocket salad or arugula; other names include rucola, rucoli, rugula, colewort, and roquette.
 
Twitter
Corey Styles
‏@_crystyls_
RT @adamkirton: I bought some rocket salad the other day, but it went off before I could eat it! :-(
7:49 AM - 18 Sep 2011
 
Twitter
Tom Doody
‏@TPDoody
Bought some ‘rocket salad’ yesterday ... but it went off before I could eat it !!!
3:18 AM - 27 Sep 2011
 
Twitter
widemouthedfrog
‏@widefrog
Bought some ‘rocket salad’ yesterday but it went off before I could eat it #badjokes
5:27 AM - 4 Oct 2011
 
Twitter
Paul
‏@Liverpaul08
Bought some ‘rocket salad’ at the supermarket last week, but it went off before I could eat it!
1:04 AM - 12 Oct 2011
 
Google Books
The Mammoth Book of One-Liners
Edited by Geoff Tibballs
London: Constable & Robinson Ltd
2012
Pg. ?:
I bought some rocket salad yesterday, but it went off before I could eat it.
 
20 January 2012, Loughborough (UK) Echo, “Snippets” by Mike Lockley, pg. 36:
BOUGHT some ‘rocket salad’ yesterday but it went off before I could eat it!
 
14 March 2012, The Chronicle (Toowoomba, Queensland), “Have a Laugh,” pg. 15:
BOUGHT some “rocket salad” yesterday, but it went off before I could eat it!
 
Google Books
Essential Jokes:
For Ice Breaking Moments
By Patrick Nafzger
BookBaby
2013
Pg. ?:
Bought some ‘rocket salad’ yesterday but it went off before I could eat it!
 
19 December 2013, The Observer (Gladstone, Queensland), “Joke of the Day,” pg. 10:
I bought some rocket salad yesterday, but it went off before I could eat it.