These trees grow well in zones 3 through 7, and prefer a sunny spot in your yard. One particular cultivar, known as 'Green Giant', can grow a massive 5 feet per year, with a mature height of up to ...

Spring planting gives bare-root trees an entire growing season to replenish the root system before winter. ... and is hardy in Zones 3-8 and sometimes Zone 9. Magnolia. David Speer.