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Rhododendron oblongifolium (Small) Millais
USDA Symbol: rhob
USDA Native Status: Native to U.S.
A spreading shrub to 6 ft. with distinctly obovate leaves and fragrant, trumpet-shaped, pure white flowers occuring 7-12 together after the leaves.
Related to R. viscosum. Some taxonomists argue that it is not a distinct species.
Plant CharacteristicsDuration: Perennial Habit: Shrub Flower:
Fruit: Size Class:
Bloom InformationBloom Color: White
AR , LA , OK , TX Native Distribution:
E. TX & OK Native Habitat:
Sandy woods; sandy stream banks; sandy bog marginsx USDA Native Status: L48(N)
Growing ConditionsLight Requirement: Shade
Soil Moisture: Dry
Soil pH: Acidic (pH<6.8)
Soil Description: Well-drained, sandy soil.
Conditions Comments: Related to R. serrulatum and R. viscosum. Some taxonomists argue that it is not a distinct species.
Combine seeds loosely with sphagnum moss and sprinkle lightly over a 2:1 perlite/peat mixture. Optimum temperatures for germination are 45-50 degrees. Transplant seedlings to acid soil with a high content of organic matter. Cultivated evergreen
azaleas Seed Treatment:
No pretreatment is necessary. Commercially Avail:
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Record Modified: 2011-04-17
Research By: TWC Staff