Plant feature close to lake bedded by contrary gardener (9)

I believe the answer is:

machinery

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

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

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for machinery that I've seen before include "Apparatus" , "agency" , "Industrial equipment" , "Plant" , "Works" .)

I've seen this clue in The Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.