Grass covering a German kitchen garden (7)

I believe the answer is:

potager

'kitchen garden' is the definition.
(I've seen this before)

'grass covering a german' is the wordplay.
'grass' becomes 'pot' (cannabis).
'covering' means one lot of letters go next to another (on top of in down clue).
'german' becomes 'ger' (abbreviation).
'pot'+'a'+'ger'='POTAGER'

(Another definition for potager that I've seen is " kitchen garden".)

I've seen this clue in The Times.

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