The leaf drop started occurring about a month ago.
In spring the Southern magnolia drops its oldest leaves as new growth begins. Older,"tired" leaves suddenly turn yellow, throughout the tree, and those are the leaves that will be shed.
They don't drop all at once, either, falling over time. Leaves are large, each measuring up to 10 inches long, and very tough, taking time to decompose. Jul 13, Magnolias are notorious for leaf drop just before flowering.
Magnolias are notorious for leaf drop just before flowering.
It is especially noticeable on evergreen trees that produce large leaves and create a mess when numerous leaves appear to drop at one time.
This is not something you need to worry about since the tree will put out new leaves once the flowering process has stumpcutter.barted Reading Time: 1 min. Apr 12, Some species of magnolia drop their leaves naturally during certain times of the year, particularly in the spring. It is also possible that a fungus is growing on the leaves. The color of the leaves that fall from the tree is an easy way to determine whether the leaf loss is Estimated Reading Time: 1 min.
The tree itself is not in danger as long as the leaves with the fungus growing on them are immediately removed.
Jul 06, The leaf drop is most likely is the tree's response to the recent hot & dry weather (Magnolias generally have a more shallow root system so are more affected by heat and water stress).
The region also experienced a drier spring than normal, so supplemental irrigation may need to be applied before you start seeing symptoms next year.