Claws come out for it (6)

I believe the answer is:

catnip

(Other definitions for catnip that I've seen before include "Hairy aromatic perennial herb strongly attractive to some pets" , "Felines fancy it" , "'Hairy herb, strongly attractive to felines (6)'" , "Scented herb" , "treat for kitten" .)

I've seen this clue in The Wall Street Journal.

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