There are over 80 coinage of Magnolia Tree , and some are aboriginal to the United States , according to the National Arboretum . These flowering trees are extremely suitable by home gardeners and landscapers for their large , showy heyday and relatively low - guardianship needs . Some species are evergreen , including the popular Southern Magnolia ( M. grandiflora ) . Regardless of species , magnolia tree all have the same canonical care necessity , including acidic soil .

Climate

The climate preferences of magnolia trees variegate by species , but in general , most flourish in temperate country that do not have prolonged below - freezing wintertime temperatures or very hot summer . These areas are covered by USDA growing zones 7 through 10A. The Star magnolia ( Magnolia stellata ) is one of the cold - hardiest magnolia and will turn in USDA zone 4 , allot to the University of Utah .

Soil and Acidity

Magnolias grow best in acidulous soil , which is stain that has a pH degree of 6.0 or below . Test the land with a pH outfit available at place or garden centers . If the soil is not acidic enough , amend it with ammonium ion sulfate or peat moss . In fact , magnolia trees flourish in moist , peaty soil , accord to the University of Florida . Work the material at least 1 metrical foot into the soil , in an area that extend to the tree diagram ’s canopy .

Light and Water

Magnolia trees grow in full sunlight or in locations that receive part sun and part shade . Magnolia trees will not grow or blossom well in full shade . These fearless trees can tolerate both drought status and elongated flooding , but spring up right when the dirt is kept systematically moist .

Pruning

Most magnolia plants need to be dress . Many have branch that will droop the ground if not bring down , while others grow on multiple proboscis and necessitate to be trained to one drawing card tree trunk . This can be achieved by removing any vertically growing branch that are next to the trunk . The barque and Sir Henry Wood are passably weak , so humbled or damaged branches should be removed before they descend .

Considerations

Magnolia trees are have it off for their pest and disease resistance . They do , however , stick out from girdling . These tree have large , shallow roots that can extend up to four times the width of the tree ’s canopy . The ascendant may double back and enclose themselves around the automobile trunk , hack off the supplying of nutrients to the tree diagram . Monitor for these roots and remove them if you see them , or the tree will die from the canopy down .

References

…