Magnolia grandiflora 'Saint Mary' (Glen St. Mary)'
Plant Expert:
Michael Dirr Magnolia grandiflora 'Saint Mary' (Glen St. Mary)'
Michael Dirr
Magnolia grandiflora 'Saint Mary' (Glen St. Mary)'
Magnolia grandiflora 'Saint Mary' (Glen St. Mary)' (click for large image)
Saint Mary' (Glen St. Mary) Southern Magnolia 		Common Names:
  • Saint Mary' (Glen St. Mary) Southern Magnolia
 
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Sun/Water Requirements:

  Can tolerate both shady and sunny conditions.
Dry to wet conditions.

Climate / Hardiness Zones:

  Zone 6 to Zone 10

Growth:

  Range: Grows from 15' to 30'.
Dirr says: "compact, bushy pyramidal form. 2 to 3 times as tall as wide at maturity. Probably much larger than the 20' by 20' reported."

Flowers:

  Color(s): White
Season(s): Late Spring, Early Summer

Dirr says: "flowers at a younger age than most M. grandiflora forms."  

Foliage:

  Broadleaf Evergreen
Color: Leaves are dark green in the summer.
Dirr says: "undulating surface, bronze underside"  

Fruit:

  Color: Red
Season(s): Late Spring, Early Summer
 

Landscape Value:

  Can be used as an ornamental plant.
Can be used as a specimen plant.
Can be used as a hedge plant.
Can be used as a grouping plant.

Other:

  Is Heat Tolerant
 
Magnolia grandiflora 'Saint Mary' (Glen St. Mary)' is hardy in these areas:
Alameda, CAAlamo, CAAmerican Canyon, CA
Angwin, CAAntioch, CAArtesia, CA
Avalon, CAAzusa, CABaldwin Park, CA
Baltimore, MDBayside, NYBell Gardens, CA
Bell, CABellflower, CABeverly Hills, CA
Bronx, NYBrooklyn, NYBrownsville, TX
Canton, MICerritos, CAChino Hills, CA
Chino, CACity Of industry, CAClaremont, CA
College Point, NYCorona, CACorona, NY
Danville, CADetroit, MIEast Elmhurst, NY
Ecorse, MIElmhurst, NYEssex, CA
Fawnskin, CAFerndale, MIFlorence, SC
Flushing, NYFontana, CAForest Falls, CA
Forest Hills, NYFort Eustis, VAFountain Valley, CA
Fresh Meadows, NYGlen Burnie, MDGlendora, CA
Granada Hills, CAGuasti, CAGwynn Oak, MD
Hacienda Heights, CAHarper Woods, MIHarrison Township, MI
Hawthorne, CAHermosa Beach, CAHialeah, FL
Hollywood, FLHunt Valley, MDHuntington Park, CA
Irvine, CAJackson Heights, NYLa Puente, CA
Leasburg, NCLexington, NCLiberty, NC
Linwood, NCLittle Neck, NYLong Beach, CA
Los Angeles, CALudlow, CAMacomb, MI
Marysville, MIMaspeth, NYMemphis, MI
Mercedes, TXMiddle Village, NYMission Hills, CA
Mission, TXModesto, CAMoreno Valley, CA
Morgantown, WVMount Clemens, MINew Baltimore, MI
New Haven, MINew York, NYNewport News, VA
North Hills, CANorth Street, MINorthridge, CA
Norwalk, CAOakland Gardens, NYOlmito, TX
Pacoima, CAPalmdale, CAPearblossom, CA
Penitas, TXPharr, TXPhelan, CA
Philadelphia, PAPikesville, MDPinon Hills, CA
Port Isabel, TX
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