“What kind of vegetable is jealous?”/“A green bean.”

People get “green” with envy, and there’s a vegetable riddle:
 
Q: What kind of vegetable is jealous?
A: A green bean.
 
The joke has been cited in print since at least 2006.
 
   
Sumo Nova
Original Family Friendly Jokes About Vegetables
September 27, 2006 by Editor
(...)
Q: What kind of vegetable is jealous?
A: A green bean!
 
flickr
Stuart Robinson
Taken on October 16, 2011
What kind of vegetable is jealous?
A green bean!
   
Healthy Times
Seasoning’s Greetings
DEC 27TH, 2011
(...)
From John-Christian:
What kind of vegetable is jealous? A green bean!
   
Twitter
Mann’s
‏@VeggiesMadeEasy
What kind of vegetable is jealous?
... A Green Bean!
10:30 AM - 9 Jan 2012
 
Twitter
Jess Morgan
‏@MorganBotanical
What kind of vegetable is jealous?—>A green bean!
10:55 AM - 12 Jan 2012
 
Twitter
Daily Groaner
‏@DailyGroaner
Q: What kind of vegetable is jealous? A: A green bean! #jokes #humor #funny
1:25 PM - 7 Jun 2012
   
The Dispatch (Lexington, NC)
Vegetables will soon be on parade
By Page H. Onorato
Posted Jun 17, 2014 at 2:52 PM
(...)
5. What kind of vegetable is jealous?
D. A green bean
 
Twitter
carrot rewards
‏@carrot_rewards
What kind of vegetable is jealous? ...A green bean! #veggiejokes #WellnessRewarded
7:31 AM - 21 Jul 2016