What does the cryptic crossword clue "Ben and Vera cultivated herbaceous plant (7)" mean?

The definition is "plant". The wordplay uses an anagram. anagram of BEN + VERA = VERBENA; definition: "plant" The answer is VERBENA.

Ben and Vera cultivated herbaceous plant (7)

Daily Mail Cryptic #17219 | 4 Down | 2023-11-01 flower