It's not a shrub, it's a lemon tree my dear Watson.
or
The owner got tired of the (w)hole business!
or
There are footprints in the butter.
or
To get to the shell station.
or
With the Florida Keys.
or
A centipede with a wooden leg.
or
1,622. One to tell the original joke, and the rest to submit give some minor variation of it! For example:
or
When the spider spied her!
or