Need help identifying....

[Bushmaster]

This tree and /or nut. As I mowed around it they were falling and flying everywhere.

[birdbeast]

It is a Horse Chestnut.

[Bushmaster]

Wow. Thank you.

[TreeGuy]

Ohio Buckeye. More likely to grow in this zone than Horse Chestnut.

[KegRiver]

I thought Ohio Buckeye had a compound leaf as the leaves in the photo appear to be.

I've seen Horse Chestnut in Edmonton but I don't believe I've ever seen Ohio Buckeye, although I may have on a trip through the southern states.

[pikergolf]

Are the nuts edible?

[fishtank]

Originally Posted by pikergolf

Are the nuts edible?

No

[CBintheNorth]

Looks like a buckeye to me.
You'd have to count leaflets to be sure. 5 on a buckeye, 7 on a horse chestnut. A better pic of the lesves would help. Either way, very poisonous.

[panko]

Yep Ohio buckeye

[owlhoot]

I have a Horse Chestnut, it has 7 leaflets and the nuts are rougher

[alex8486]

Horse chestnut contains significant amounts of a poison called esculin and can cause death if eaten raw. ... Horse chestnut seed is used for diarrhea, fever, and enlarged prostate.