a tree with no leaves
use the branch and stem arrangements http://forestry.about.com/od/forestphotogalleries/ig/Dormant-Winter-Tree-Gallery/
To properly cut tree branches for tree health and growth, make clean cuts close to the branch collar without leaving stubs. Avoid cutting too close or damaging the branch collar. Prune during the dormant season and avoid removing more than 25 of the tree's canopy.
Dormant.
Tree branch = anaf (ענף)
In the winter when the tree is dormant.
It depends how old it is. If you must do it do it when it is dormant.
yes
No but growth slows in winter.
it gets the squirts
if a plant is dormant, it means it is asleep/hibernating for the winter
A tree branch is called a Bough.
When a tree is bare of leaves it is dormant and is not making food.