My sister has received a Norfolk Pine and is wanting info on how much space it will take so she'll know where to plant it. I found where it can actually be maintained in a pot, but I think her husband wants to plant it outside. They have a very small yard with several large old trees, and I really don't think they'll have room for adding one as I know pine trees tend to grow very large. Any info or suggestions to help me advise them? We live in zone 6b.

Thanks!

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Granny-A