Rhododendron, Deciduous Azalea 'Admiral Semmes'

Rhododendron

Family
Ericaceae (er-ek-AY-see-ee)
Genus
Rhododendron (roh-do-DEN-dron)
Synonym
Spacing
4-6 ft. (1.2-1.8 m)
Hardiness
4-6 ft. (1.2-1.8 m)
Sun Exposure
USDA Zone 5b: to -26.1 °C (-15 °F)
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)
Danger
Sun to Partial Shade
Bloom Color
Parts of plant are poisonous if ingested
Bloom Time
Gold (yellow-orange)
Foliage
Late Spring/Early Summer
Other Details
Other details
Deciduous
Seed Collecting
Category
From softwood cuttings
Patent Information
Foliage Color
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Bloom Characteristics
Water Requirements
Where to Grow
Regional

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

Mobile, Alabama

Deltona, Florida

Louisville, Kentucky

Poplarville, Mississippi

Raleigh, North Carolina

Easley, South Carolina

Springfield, Virginia

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Gardener's Notes:

2
positives
1
neutral
1
negative
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P
P
Broeck Pointe, KY | May 2020 | positive

I have two of these. They bloom early in the season here in north central KY and I have not had any issues with disease or fungus. These ...Read More

C
Poplarville, MS | March 2018 | neutral

We bought 8 of these about 7 years ago. They were rather thin & did not seem to do well, but bloomed nicely every spring. I believe the...Read More

F
Vacherie, LA (Zone 9a) | September 2014 | negative

I was given one in late 2011 by the Crosby Arboretum in Mississippi. (I've never seen them anywhere else.) Despite its constant fungal ...Read More

A
A
akt
Springfield, VA | November 2013 | positive

The Admiral Semmes deciduous azalea is a cross between the Florida Pinkxster Azalea R. austrinum and an Exbury hybrid named Hotspur Yello...Read More

Featured
Red underwing moth
(Catocala nupta)
Great Frigatebird
(Fregata minor)
Featured
Red underwing moth
(Catocala nupta)
Great Frigatebird
(Fregata minor)