I am sorry for this delayed reply to your gardening question. The spring rush has brought a deluge of questions and we are working hard to catch up!
I doubt cold killed your first maple. They are quite hardy. It may have been due to poor soil drainage or some other soil moisture problem. The name you gave for the new plant doesn't indicate the variety and this is important in order to know the ultimate size since varieties of Japanese maple can range from 8 feet to 20 feet or more. As a general guess I would suspect your new tree will top out at about 10-12 feet or so in height. Growth habit can be guided by you as you trim and train the tree's growth.
Thanks for the question. Best wishes for a wonderful gardening season. Please stop in again soon!
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