Hurry to get water for plant (9)
I believe the answer is:
speedwell
'plant' is the definition.
(speedwell is a kind of plant)
'hurry to get water for' is the wordplay.
'hurry' becomes 'speed' (synonyms).
'to get' says to put letters next to each other.
'water for' becomes 'well' (I can't explain this - if you can you should give a lot more credence to this answer).
'speed'+'well'='SPEEDWELL'
Can you help me to learn more?
(Other definitions for speedwell that I've seen before include "Small creeping herbaceous plant with blue or pink flowers" , "bloomer?" , "Flowering plant" , "Small blue flower of the genus veronica" , "Small plant, veronica" .)