artisanoo wrote:I wish I knew enough to grow trees like that

You *do* know enough

It is simply the very-focussed application of what we're usually saying all the time around here. Learn the species and their needs,
avoid soggy soil, and take care with how you treat the tree(s). They will reward you for every moment you spend upon them. Those type things are all easy, but require intense scrutiny with each and every action upon each tree

All it is is pinching, planting, protecting and practicin' what is preached. Right?
Do not fear trying it out - you *can* do it

If mistakes are made, you will benefit from them and then get it right the next time. I have killed plenty of trees in my time from ignorance and such, and so will you most likely. Just try *not* to, and eventually it all works out for ya...
Alex