It's best to prune or trim any tree when they are dormant.
Wrong first of all its not river birch its ribber birch, and its best to prune them in late spring or early summer, this is when the tree is most active, and can heal the best. any dead branches need to removed, young "suckers"(which grow closer to the trunk of the tree) need to be removed according to how big you would like the tree to grow and what shape and look you would like it to have. Ribber birches need to be trimmed every 1-2 yrs and should only be trimmed by a licensed arborist, DO NOT try and trim it yourself these trees are very sensitive and f you wound them to badly the try WILL die.
All three types of trees - aspen, birch, and poplar - are suitable for landscaping in a residential garden. However, birch trees are often preferred for their attractive bark and delicate leaves, making them a popular choice for aesthetic appeal in gardens.
White birch trees grow well in the same conditions that produced the US Northern rain forests: generally cool temperatures, moist, sandy soils, and ample sunlight, although they tolerate a range of soil and site conditions.
Oak, Aspen, Birch, Spruce, Pine Spruce covers almost 44% of the surface of the country, pine 15%
The family name of birch is Betula .There are a number of birch native to The USA the best is probably Betula papyrifera the paper birch or canoe birch.
You should not need to prune a young tree unless it needs balanced. A trees best shape is its natural shape.
Out of Lake County Colorado through the Royal Gorge into Kansas and Oklahoma to its outlet near Napoleon Arkansas.
oak or birch is the best
Brandon Birch
known as the muddiest water.... in Kansas City they drink that water and it is one of the best waters in the world.
The best finish for birch wood to achieve durability and aesthetics is a clear polyurethane finish.
The Best of Kansas was created in 1974.
rossville grade school is the best school in kansas