Ferguson accepts the striker is going through a personal hell.
He will leave it until the last minute before deciding whether his star is in the right frame of mind to face his old club.
Rooney, 24, scored in England's 3-1 Euro 2012 win in Switzerland on Tuesday.
But he was clearly under intense pressure, as he showed with his muted response to scoring the vital opening goal.
An Old Trafford insider told The Sun: "Everyone has assumed Wayne will play because of how bravely he performed in Basel.
"But playing hundreds of miles away in Switzerland is a lot different to stepping out at Goodison Park, where there will be a lot of hatred and abuse flying around - all of it directed at Wayne.
"How can anyone give their best for 90 minutes in front of a baying crowd with all that turmoil going on in their private life."