To get a plant – it’s for the kitchen (7)

'for the kitchen' is the definition.
I can't judge whether this definition defines the answer.
'to get a plant' is the wordplay.
'get' says to put letters next to each other.
'a plant' becomes 'aster' (aster is a kind of plant).
'to'+'aster'='TOASTER'
'it's' acts as a link.
Can you help me to learn more?
(Other definitions for toaster that I've seen before include "kitchen equipment" , "something in kitchen" , "wedding present?" , "Kitchen browner" , "Person with role at wedding reception" .)
'kitchen' is the definition.
Although both the answer and definition are singular nouns, I don't understand how one could define the other.
I cannot understand how the remainder of the clue works.
Can you help me to learn more?
(Other definitions for red that I've seen before include "Left-wing" , "Primary colour" , "eg Cardinal" , "Inflamed" , "Blood-coloured" .)
