Create apprehension, having to remove blossom (6)

I believe the answer is:

dismay

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'create apprehension having' is the definition.
I can't tell whether this defines the answer.

'remove blossom' is the wordplay.
'remove' becomes 'dis' (I am not sure about this - if you are sure you should believe this answer much more).
'blossom' becomes 'may' (I've seen this before).
'dis'+'may'='DISMAY'

'to' is the link.

Can you help me to learn more?

(Other definitions for dismay that I've seen before include "Anxiety" , "Appal" , "Consternation, distress" , "Feeling of despair in the face of obstacles" , "Affright" .)

I've seen this clue in The Guardian.

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