Science · Specimen Trees

Southern Magnolia

A stately evergreen with huge fragrant blooms, used as a signature tree on campuses and estates.

Magnolia grandiflora · Evergreen flowering tree

Profile

Zones
USDA 7–10
Mature size
60–80 ft
Bloom
Late spring to summer
Roots
Shallow, ropey; resents disturbance

Water & soil targets

Moisture (VWC)
~20–28%
Salinity tolerance
Moderate
Drought tolerance
Moderate

Mulched, undisturbed root zones perform best.

Problems to watch

  • Magnolia scale
  • Leaf spot
  • Root disturbance

Stress signs

  • Yellowing leaves
  • Heavy leaf drop

Where you'll find it

  • Campuses
  • Estates
  • Historic grounds

More specimen trees

All Science profiles

General agronomic guidance and typical ranges; actual targets vary by site, soil, climate and season.