The French please with a mixture of tulips and violas (3,4,5)

'the french please' is the definition.
(French for 'please')

'a mixture of tulips and violas' is the wordplay.
'a mixture of' indicates anagramming the letters (I've seen this in other clues).
'and' says to put letters next to each other (I've seen this in other clues).
'tulips' put after 'violas' is 'violastulips'.
'violastulips' is an anagram of 'SIL VOUS PLAIT'.

'with' acts as a link.