>  RH> I've got the butternut trees out back. They feed the squirrels.
> 
> Butternuts are white walnuts. They are delicious. Don't let the
> squirrels get all of them!
> 
The trees are too tall; by the time they fall they're either rotten or
eaten. 

> They are hardier than either black or English walnuts and can
> survive colder climates. We had an immense one where I grew up in
> Cobden, Ont. that my parents planted before I was born; it was the
> only nut tree they planted to make it through our winters there.
> 

They make a mess on the lawn, but critters like them.