Plant credit note on wrong peer (7)

I believe the answer is:

creeper

I'm a little stuck... Click here to teach me more about this clue!

'plant credit' is the definition.
'creeper' can be an answer for 'plant' (I've seen this before). I'm unsure of the 'credit' bit.

'note on wrong peer' is the wordplay.
'note' becomes 'c' (musical note).
'on' becomes 're' (regarding).
'wrong' indicates anagramming the letters.
'peer' anagrammed gives 'eper'.
'c'+'re'+'eper'='CREEPER'

Can you help me to learn more?

(Other definitions for creeper that I've seen before include "Plant spreading along the ground or up walls" , "one going up the wall after 8 [STATE = VIRGINIA]" , "Ivy or Virginia, for example" , "Climbing-plant" , "Reptile" .)

I've seen this clue in The Mirror.

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