FloridaLandscapeIQ
Southern Magnolia (Magnolia grandiflora) growing in South Florida
Florida NativeFFL QualifiedGrade Florida #1

Southern Magnolia — South Florida Plant Guide

Magnolia grandiflora

Family: Magnoliaceae · Tree

Legal status pending editorial verification. Confirm with your county before installation.

Itilizasyon Peyizaj

specimenboulevardfoundation plantingwindbreakformal garden

Etikèt Estil

formalclassic floridanaturalisticresidential

Gid Kwasans pou Sid Florid

Bezwen Limyè

Full Sun

Bezwen Dlo

Moderate4/10

Water deeply 2–3 times per week during establishment, then reduce to weekly once roots are established.

Moderate water needs. Water 2x per week during establishment (18-24 months). After establishment, 1x per week in dry season or rely on rainfall. Sensitive to overwatering in poorly drained soils — root rot risk. Prefers acidic, well-drained soils — performance declines in alkaline limestone fill.

Tè ak Fètilizasyon

sandyloamacidicwell drained

Fertilizer: Acid-forming slow-release tree fertilizer or azalea formula. Chelated iron in alkaline soil areas.

Schedule: February. Acid-forming slow-release tree fertilizer in limestone or alkaline soils.

Tolerans Sèl

Low (3/10) — plant away from salt air exposure
Wotè Matire
4080 ft
Lajè Matire
2040 ft
Vitès Kwasans
moderate
Bezwen Dlo
4/10
Nòt Florida
Florida #1
Pri Enstalasyon
$$$
Zòn USDA
7a, 7b, 8a, 8b, 9a, 9b, 10a
Estati FLEPPC
None
Nòt Iguàn
4/10

Kote pou Achte nan Sid Florid

Jwenn Southern Magnolia nan pepinyè Sid Florid — verifye disponiblite ak pri nan pepinyè pre ou.

Kesyon Souvan Poze

How fast does Southern Magnolia grow in South Florida?

Southern Magnolia has a moderate growth rate. In South Florida's warm, humid climate it typically establishes quickly with proper watering and fertilization.

Is Southern Magnolia safe for pets?

Yes, Southern Magnolia is considered pet-safe. Generally considered non-toxic to dogs and cats in typical landscape exposure.

How much water does Southern Magnolia need in South Florida?

Moderate water needs (4/10). Water deeply 2–3 times per week during establishment, then reduce to weekly once roots are established.

Can Southern Magnolia tolerate salt air in South Florida?

Southern Magnolia has low salt tolerance (3/10) and is not recommended near areas with significant salt air exposure.

Is Southern Magnolia available in Miami-Dade County?

In Miami-Dade County, Southern Magnolia is classified as: allowed. Allowed.

Disponiblite pa Konte nan Sid Florid

Miami-Dade County

Allowed

Allowed. Native to SE US but south Florida range is marginal — Miami-Dade's limestone soils and Zone 10b heat can cause iron chlorosis and stress.

USDA Zone 10a–11. Tropical climate, year-round warmth and humidity.

Wè Gid Konte →

Broward County

Allowed

Allowed. Good performer in Broward's slightly more acidic soils.

USDA Zone 10a–10b. Subtropical with warm winters and wet/dry seasons.

Wè Gid Konte →

Palm Beach County

Allowed

Allowed and commonly specified. Best South Florida performance in Palm Beach County — Wellington, Boca Raton, Delray Beach.

USDA Zone 9b–10b. Transitional zone with occasional winter cold in north.

Wè Gid Konte →

Collier County

Allowed

Allowed. Good for Naples and inland Collier County locations.

USDA Zone 10a–10b. Subtropical Gulf Coast with seasonal flooding.

Wè Gid Konte →

Monroe County

Allowed

Not recommended for Monroe County — Zone 11 tropical conditions exceed this tree's heat tolerance range, and it does not perform well in Keys conditions..

USDA Zone 11. Tropical maritime, highest salt exposure of all 5 counties.

Wè Gid Konte →

Referans konplè òdonans disponib pou abòne Pwofesyonèl. Toujou verifye egzijans konte aktyèl anvan enstalasyon.

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