Mustard Plant 2

This is the sequel to the first Mustard Plant post.

I told you guys it would have flowers, now it does!
It doesn't even look like the same plant!
If you don't remember, it's called Tower Mustard (Arabis glabra)
Apparently you can eat it, but I think you should research it.

New photo (with flowers)

mustard plant

Old photo (without flowers)