There are two members of the walnut family that are worth a try in zone 3.
Read more ...
Of the few oaks that flourish in Zone 3, the bur oak does best.
Shrubs are the little people of the woody plant world, wonderful in their own way
Shrubs may form a dense hedge or be like little trees.
There's a method of controlling shrub size and keeping flowers that gives an overall natural look.
Page 5 of 29