Quercus sadleriana (Sadler's Oak)
This shrubby evergreen oak is native to Oregon and California, but is hardy to USDA zone 5.
It grows to 5 - 10' with a spread of 3.'
Sadler's Oak is best planted in partial sun and watered only moderately until established. Do not fertilize.
This is an excellent variety for small gardens.
Thanks to Brewbooks on Flickr for the photo lower right.