Yes, the magnolia flower grows on the magnolia tree [Magnolia spp]. The name of the tree honors French botanist Pierre Magnol [June 8, 1638-May 21, 1715]. The name was chosen by French botanist and...
Limiting to the United States; there are two trees. First and most common I've seen is the the Southern Magnolia (Evergreen) which can grow to 90 ft (hardly a bush). Second is the Sweetbay Magnolia...
After it has bloomed in the spring or while the weather is still cold in late winter - before the sap begins to travel to the branches. Make clean cuts, but, be aware that when you trim a large...