What does the cryptic crossword clue "Waiter is shifting hanging plant (8)" mean?

The definition is "plant". The wordplay uses an anagram. anagram of WAITER + IS = WISTERIA; definition: "plant" The answer is WISTERIA.

Waiter is shifting hanging plant (8)

Daily Mail Cryptic #17321 | 14 Across | 2024-03-25 flower