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PlantFiles: Linwood Azalea, Hybrid Azalea
Rhododendron 'Hardy Gardenia'

Family: Ericaceae (er-ek-AY-see-ee) (Info)
Genus: Rhododendron (roh-do-DEN-dron) (Info)
Cultivar: Hardy Gardenia
Hybridized by Reid

» View all varieties of Azaleas and Rhododendrons


36-48 in. (90-120 cm)

18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

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

Unknown - Tell us

Bloom Color:
White/Near White

Bloom Time:
Mid Spring


Other details:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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By mygardens
Thumbnail #1 of Rhododendron  by mygardens

By yotedog
Thumbnail #2 of Rhododendron  by yotedog

By yotedog
Thumbnail #3 of Rhododendron  by yotedog

By mygardens
Thumbnail #4 of Rhododendron  by mygardens


1 positive
No neutrals
No negatives

Gardeners' Notes:

Positive yotedog On Apr 23, 2008, yotedog from Raleigh, NC wrote:

Quite beautiful blooms, covering the plant. Haven't noticed any fall rebloom yet, though some references report they might rebloom (mine only in the ground two years--maybe that's why..). Seem to be very hardy in my zone 7 garden. Surviving in a tough spot under a maple tree during a drought, with small amount of supplemental water, and still bloomed this spring. Other similar sized azalea cultivars planted at the same time did not.....


This plant has been said to grow in the following regions:

Croton On Hudson, New York
Raleigh, North Carolina
Murrysville, Pennsylvania
Jamestown, Rhode Island
Cordova, Tennessee
Alice, Texas

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