Shrub
From Tardis Wiki, the free Doctor Who reference
Shrubs, (TV: The Daleks, PROSE: Hello!) or shrubbery, (PROSE: Hello!) was a type of plant found on Skaro (TV: The Daleks) and Earth. The Eleventh Doctor love shrubs and thought they were cool. (PROSE: Hello!)
History
In the 2010s, the Eleventh Doctor told the recipients of the letters he sent that, by their birthdays next year, he'd be watching them through the windows while standing near the shrubbery. (PROSE: Hello!)
Undated events
Shrubs were part of the petrified jungle on Skaro. (TV: The Daleks)