Originally Posted by sleepy jack

It's an interesting idea Bradbury (and would make a great science fiction novel, oh wait) but not a realistic one. Trees need oxygen, nutrients and water in order to grow even if you gave them a controlled environment and had them growing in some sort of giant bubble once you took that away they'd just die (ignoring what they need to survive) because there's no protection from cosmic radiation or ultraviolet light like there is on Earth.