Answer: The usual height and width of a weeping cherry tree is about 25'. You may be able to keep the tree smaller, but it might be better to simply move it farther away from the house. If you decide to relocate it, do it while the tree is dormant and it should suffer less transplant shock. As for trying to keep it smaller, the result will depend upon where the graft union is - at the base or at the top of the trunk. If it is at the base of the tree, you can keep the tree small; if it is at the top of the trunk, you can prune away anything that emerges from the very top, but you'll get a flat-top look rather than a mounding appearance. To be honest, I would recommend moving the tree away from the house.
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