in cold frigid climates with extremely little sun and few pollutants.
Pecans grow on trees, deciduous trees.
Apple trees
Pear trees.
big trees
Acorns are from Oak trees.
No kinda of trees can grow in Antarctica.
The best way to grow a large number of trees is by seed. You can also grow some trees by cuttings. But it depends on what kind of trees you want to grow.
They grow on Palm Trees!
Ireland has lots of trees, because it has the kind of environment that can support them. At one time very large areas of Ireland were covered in trees. There is still a lot of forest in Ireland.
Palm, Citrus
Coconut trees.
oak trees