Ground ready for planting until this holds (5)

I believe the answer is:

tilth

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

'ground' is the definition.
(I know that tilth is a type of ground)

'planting until this holds' is the wordplay.
'holds' indicates the answer is hidden within the clue.
'TILTH' is hidden in the letters of 'planting until this'.

'ready for' acts as a link.
I am not very happy about this link. Some or all of it may be part of another bit of the clue.

Can you help me to learn more?

(Other definitions for tilth that I've seen before include "Cultivate" , "sow here" , "Ploughed land" , "Sort of soil" , "Arable land that is worked by ploughing and sowing" .)

I've seen this clue in The Telegraph.

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