Crossword Genius

Tie small daughter, a hazard in the garden (8)

Ross

I believe the answer is:

knotweed

'a hazard in the garden' is the definition.
(plant that can cause structural damage)

'tie small daughter' is the wordplay.
'tie' becomes 'knot' (knotting is a kind of tiing).
'small' becomes 'wee' (Scottish term for small).
'daughter' becomes 'd' (genealogical abbreviation).
'knot'+'wee'+'d'='KNOTWEED'

(Other definitions for knotweed that I've seen before include "Common plant with jointed creeping stems" , "it has swollen joints" , "Common plant of dock family" , "Japanese invasive plant species" , "Plant of Polygonum genus" .)

I've seen this clue in The Times.
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