All of the flowers have fallen off after planting. Is this normal?
Weeping Cherry Tree
Certified GKH Gardening Expert
Yes, this is quite common. Transplanting is rough on any plant. This stress will cause the flowers to drop. Just make sure to keep the tree watered, but not sopping wet. Don't let it dry out until it is established, and has good new growth.
Here is an article for more information on the care of these trees: https://www.gardeningknowhow.com/ornamental/trees/weeping-cherry/weeping-cherry-growing-tips.htm