Black Mangrove

Avicenniagerminans

Family
Acanthaceae (ah-kanth-AY-see-ee)
Genus
Avicennia (av-ih-SEN-ee-uh)
Species
germinans (JER-min-ans)
Synonym
Avicennia africana
Avicennia elliptica
Avicennia floridana
Avicennia lamarckiana
Avicennia meyeri
Sun Exposure
Full Sun
Foliage
Evergreen
Height
20-30 ft. (6-9 m)
Spacing
8-10 ft. (2.4-3 m)
Hardiness
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Bloom Color
Pale Yellow
Bright Yellow
White/Near White
Cream/Tan
Bloom Time
Mid Summer
Blooms all year
Other Details
Category
Tropicals and Tender Perennials
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
From softwood cuttings
From seed; direct sow after last frost
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

This plant is said to grow outdoors in the following regions:

Beverly Hills, California

Big Pine Key, Florida

Cape Canaveral, Florida

Islamorada, Florida

Grand Isle, Louisiana

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Gardener's Notes:

4
positives
2
neutrals
0
negative
Sort By:
Sort By:
F
Vacherie, LA (Zone 9a) | June 2015 | positive

From everything I've read, this is the only mangrove species that grows in Louisiana. Based on my observations today, there must be unto...Read More

F
Josephine, Arlington, TX (Zone 8a) | January 2007 | neutral

Black Mangrove Avicennia germinans is native to Texas and other States.

N
Boca Raton, FL (Zone 10a) | November 2004 | positive

This species is the most cold-tolerant of the three mangrove species found on Florida's coasts and can grow as far north as Flagler Count...Read More

K
Corte Madera, CA (Zone 10a) | August 2004 | positive

These are the hardiest genus of mangroves. In the late 60's someone planted its relative Avicennia Marina in Mission Bay San Diego, and i...Read More

A
Islamorada, FL | September 2003 | positive

Endangered, Don't get caught "harvesting" seeds.

F
Lutz, FL (Zone 9b) | October 2001 | neutral

The Black Mangrove grows throughout tropical America, as well as subtropical areas where other mangroves will not grow. This is because ...Read More

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