Nutall Oak Quercus nuttallii   Sorry, no photo available. Hardiness: Zone 5 - 9 The Nutall Oak grows approximately 40 - 60' high.  Leaves are dark green above and paler beneath.  Has rich reddish - purple new growth, reddish fall color, rapid growth and clean leaf drop in autumn.  Acorns are 3/4 - 1 1/4" long.