The Mongolian oak tends to keep its leaves until early or middle winter. Quercus acuta is an evergreen Tree growing to 25 m (82ft 0in) at a medium rate. As a result, the wood tends to be slightly lighter and weaker (on account of its increased proportion of earlywood pores) than standbys such as White Oak , though this also gives the wood more uniformity and easier workability. It is in leaf all year. It is hardy to zone (UK) 7 and is not frost tender. Beautiful, bright red foliage appears in spring and transforms into burgundy in summer and then scarlet in autumn, so you'll have year-round visual interest. This oak tree develops 3/4-inch long acorns. The species is monoecious (individual flowers are either male or female, but both sexes can be found on the same plant) and is pollinated by Wind. We have over 30,000 trees to choose from. Suitable for: medium (loamy) and heavy (clay) soils. The winter bark has tones of red and black to add warmth in the coldest months. Brighten Your Yard with Changing Red Foliage A show-stopping display of reds is synonymous with the Red Japanese Maple. We offer sugar maple, white oak, birch tree, white pine, douglas fir, red maple, fraser fir, balsam fir, spruce tree, red oak, hardwood tree, blue spruce, apanese maple tree, dogwood tree Comments: Japanese Oak tends to have a slower growth rate than other temperate species of Europe or North America. The Mongolian oak produce catkins where the male blossoms are yellow-green and the female blossoms are reddish. The Mongolian oak tree grows a massive root system that spreads twice the height of the tree.