I was reading my own question and was thinking about @JasonBaker's excellent answer. It says that a Squib is considered a Wizard when they show strong accidental magic, and that's what differentiates late bloomers from Squibs, and leads me to my question.

What is the latest a Squib could show accidental magic?

Bonus: What does Hogwarts do if they're older than 11?

This is so closely related to the other question I'm not sure it'd be considered a duplicate or not, but it's meant to determine the time frame for wizarding and Squibs. Feel free to VTC if you feel otherwise....

1 Answer 1


According to Rita Skeeter, magic will invariably have manifested by age 7

The timing was significant. Ariana was barely seven years old when she vanished from sight, and seven is the age by which most experts agree that magic will have revealed itself, if present.

Harry Potter and the Deathly Hallows - Chapter 11

That being said, Rowling did originally plan to have a character (possibly Petunia Dursley) who manifested magic later than 11. This character arc was shelved which makes the existence of "late bloomers" non-canon since we don't see or hear of any of them in any of her writings.

Q. Will there be, or have there been, any "late blooming" students in the school who come into their magic potential as adults, rather than as children? By the way, I loved meeting you, and hearing you speak, when you came to Anderson's in Naperville. I can hardly wait until you tour again.

JKR: Ahhh! I loved the event at Anderson's. It was one of my favorites. That is completely true. No, is the answer. In my books, magic almost always shows itself in a person before age 11; however, there is a character who does manage in desperate circumstances to do magic quite late in life, but that is veryrare in the world I am writing about.

Barnes and Noble interview, March 19, 1999

  • 1
    As always, nice response and something I must have sort of glossed over while reading! +1
    – Anoplexian
    Feb 14, 2017 at 15:20

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