Rhododendron Species, Florida Azalea, Orange Azalea

Rhododendron austrinum

Family
Ericaceae (er-ek-AY-see-ee)
Genus
Rhododendron (roh-do-DEN-dron)
Species
austrinum (oss-TRY-num)
Synonym
Azalea austrina
Height
4-6 ft. (1.2-1.8 m)
Spacing
4-6 ft. (1.2-1.8 m)
Hardiness
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Sun Exposure
Light Shade
Danger
Parts of plant are poisonous if ingested
Bloom Color
Orange
Gold (yellow-orange)
Bright Yellow
Bloom Time
Mid Spring
Foliage
Deciduous
Other Details
Other details
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored
Category
Shrubs
Patent Information
Non-patented
Foliage Color
Bloom Characteristics
Flowers are fragrant
Water Requirements
Average Water Needs; Water regularly; do not overwater
Where to Grow
Regional

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

Atmore, Alabama

Auburn, Alabama

Opelika, Alabama

East Haddam, Connecticut

Orlando, Florida

Tampa, Florida

Trenton, Florida

Valparaiso, Florida

Alpharetta, Georgia

Atlanta, Georgia

Cordele, Georgia

Dallas, Georgia

Norcross, Georgia

Suwanee, Georgia

Baton Rouge, Louisiana

Roslindale, Massachusetts

Brooklyn, New York

Central, South Carolina

Conway, South Carolina

Easley, South Carolina

Houston, Texas

Richmond, Texas

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Gardener's Notes:

4
positives
2
neutrals
0
negative
Sort By:
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V
(Zone 8a) | March 2015 | positive

Planted in a low part of my garden, in full sun but protected by the canopy of a large oak tree. Has been a no care plant. I used packa...Read More

C
ROSLINDALE, MA | December 2014 | positive

With sweetly fragrant, showy flowers appearing on leafless stems, this is the first of the native deciduous azaleas to bloom in the sprin...Read More

E
Annapolis, MD | November 2011 | neutral

I planted this 3 years ago in shade with only very late day sun and it has not bloomed yet....
I will move to a spot with more sun...Read More

S
Louisville, KY (Zone 6b) | September 2008 | positive

This species has the rare destinction within its genus of being drought tolerant.

C
Cordele, GA (Zone 8a) | April 2008 | neutral

I recently purchased R. austrimum 'Firecracker' with buds. It blooms before most of the leaves appear.

K
Alpharetta, GA (Zone 7a) | May 2003 | positive

This azalea is native and is not nearly as fussy as my other azaleas have been. Has doubled in size in 6 months.

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