Disorder in spring border (6)
I believe the answer is:
mayhem
'disorder' is the definition.
(I've seen this in another clue)
'spring border' is the wordplay.
'spring' becomes 'may' (I've seen this before).
'border' becomes 'hem' (I've seen this in another clue).
'may'+'hem'='MAYHEM'
'in' acts as a link.
(Other definitions for mayhem that I've seen before include "wild state" , "Scene of great disorder" , "Pandemonium" , "Extreme disorder" , "Havoc - chaos" .)