Plantae > Tracheophyta > Magnoliopsida > Ericales > Ericaceae > Rhododendron > Rhododendron adamsii

Rhododendron adamsii (smooth azalea)

Synonyms: Azalea fragrans (heterotypic); Osmothamnus fragrans (homotypic); Rhododendron fragrans (heterotypic)

Attributes

Bloom Period [1]  Late Spring
Drought Tolerance [1]  Low
Fire Tolerance [1]  Medium
Frost Free Days [1]  6 months 5 days
Fruit/Seed Abundance [1]  Low
Fruit/Seed Begin [1]  Summer
Fruit/Seed End [1]  Summer
Growth Form [1]  Multiple Stem
Growth Period [1]  Spring, Summer
Growth Rate [1]  Moderate
Leaf Type [2]  Evergreen
Lifespan [1]  Perennial
Propagation [1]  Bare Root, Container, Cutting, Seed
Root Depth [1]  12 inches (30 cm)
Seed Spread Rate [1]  Slow
Seed Vigor [1]  Low
Seeds Per [1]  527999 / lb (1164039 / kg)
Shape/Orientation [1]  Semi-Erect
Structure [2]  Shrub
Vegetative Spread Rate [1]  None
Flower Color [1]  White
Foliage Color [1]  Dark Green
Fruit Color [1]  Brown
Fall Conspicuous [1]  Yes
Flower Conspicuous [1]  Yes
Height [1]  18 feet (5.5 m)
Hardiness Zone Minimum [1]  USDA Zone: 5 Low Temperature: -20 F° (-28.9 C°) → -10 F° (-23.3 C°)
Light Preference [1]  Mostly Shady
Soil Acidity [1]  Very Acid
Soil Fertility [1]  Infertile
Water Use [1]  Moderate
Screening - Summer [1]  Dense
Screening - Winter [1]  Moderate

Protected Areas

External References

USDA Plant Profile

Citations

Attributes / relations provided by
♦ 1USDA Plants Database, U. S. Department of Agriculture
♦ 2Kattge, J. et al. (2011b) TRY - a global database of plant traits Global Change Biology 17:2905-2935
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0