Explanation: An irony is an expression that usually signify the opposite, it is used to give a humorous or emphatic effect. A situational irony is when what happens is contrary, or simply different to what the audience or the characters expect. In the given scenario, we can see a clear example of a situational irony, when little Johnny plants tomato seeds, him and the readers are expecting a tomato plant to grow, but instead an African Violet blooms.
The answer is situational irony. It is a use to easily identify the literary works. It is when incongruity appears between expectations of something to happen and what does actually happens instead. Some example of situational irony is the novel Harry Potter by J. K Rowling and The Wonderful Wizard of Oz by L. Frank Baum.
