Is it a good idea to wrap burlap around a new Japanese Cherry Willow for the winter in Western NY? We get a lot of snow and cold. Is there some special care it needs?
If you are in doubt, then it is always a good idea to wrap the tree in burlap. This article will give more information on their care: https://www.gardeningknowhow.com/ornamental/trees/weeping-cherry/weeping-cherry-growing-tips.htm
My son wants to plant a Kwanzan tree about 8 feet from the house in a courtyard. What advice would you give?
Since they grow to 25 feet tall, they are more often seen planted as a street tree. Eight feet is really too close to the house for a tree, 15 feet is better if you can manage it. You always want to allow for the canopy spread, so it doesn't go over the roof. Here is more on their care:
https://www.gardeningknowhow.com/ornamental/trees/ornamental-cherry/kwanzan-cherry-trees.htm