Plant the lot and cut the grass around (6)

I believe the answer is:

mallow

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

'plant' is the definition.
(I know that mallow is a type of shrub)

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for mallow that I've seen before include "Hairy-stemmed plant" , "Downy-leaved plant and Cork town" , "Shrub" , "'Cork town, a plant and a sweet (6)'" .)

I've seen this clue in the Evening Standard.

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.