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Rhododendron atlanticum (Ashe) Rehder
Coastal azalea, Dwarf azalea
Synonym(s): Azalea atlantica
USDA Symbol: RHAT
USDA Native Status: L48 (N)
A low, colony-forming shrub, sending up short-lived flowering branches, 1-3 ft. high. White to pinkish, funnel-shaped flowers with protruding stamens occur in long-stalked clusters before or with the leaves. Leaves are distinctly blue-green.
Plant CharacteristicsDuration: Perennial Habit: Shrub Leaf:
Dark Green Flower:
Brown Size Class:
Bloom InformationBloom Color: White
Bloom Time: Apr , May
, VA Native Distribution:
Coastal Plain from s. NJ
to AL Native Habitat:
Moist, flat, pine woods; coastal savannas
Growing ConditionsWater Use: High
Light Requirement: Part Shade
Soil Moisture: Dry
Soil pH: Acidic (pH<6.8)
CaCO3 Tolerance: None
Soil Description: Well-drained, sandy soil.
Conditions Comments: Good cultural practices reduce the incidence of disease and insect damage.
BenefitWarning: Rhododendrons contain poisonous substances and should not be ingested by humans or animals. Honey made from flowers also may be toxic. POISONOUS PARTS: All parts. Highly Toxic, May be Fatal if eaten. Symptoms include salivation, watering of eyes and nose, abdominal pain, loss of energy, depression, nausea and vomiting, diarrhea, weakness, difficult breathing, progressive paralysis of arms and legs, coma. Toxic Principle: Andromedotoxin. (Poisonous Plants of N.C.)
Conspicuous Flowers: yes
PropagationDescription: Combine seeds loosely with sphagnum moss and sprinkle lightly over a 2:1 perlite/peat mixture. Germinate under mist or a plastic tent. Optimum temperatures for germination are 45-50 degrees. Transplant seedlings to acid soil with a high content of orga
Seed Treatment: No pretreatment is necessary.
Commercially Avail: yes
National Wetland Indicator Status
|Status:|| FAC || FAC |
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Delaware Nature Society
- Hockessin, DEMt. Cuba Center
- Hockessin, DE
Record Last Modified: 2007-01-01
Research By: TWC Staff