French phrase
À quelle fréquence dois-je ~ ?
Meaning
How often should I ___?
When to use it
Asks about the recommended frequency of an action. It is neutral and works in practical everyday situations.
Example dialogue
Je viens d'acheter un ficus, je ne sais pas m'en occuper.
I just bought a ficus, and I don't know how to take care of it.
À quelle fréquence dois-je l'arroser ?
How often should I water it?