Rhododendron arborescens
TAXONOMY
FamilyEricaceae
GenusRhododendron
Zone5
LEARN MORE
Plants of the World OnlineABOUT
Rhododendron arborescens, commonly known as the sweet azalea, is a deciduous shrub or small tree native to the eastern United States. It is part of the Ericaceae family and the Rhododendron genus. This plant is known for its fragrant white to pink flowers that bloom in late spring to early summer. It prefers temperate climates and can be found in moist, wooded areas.
ALSO KNOWN AS
Smooth Azalea
OVERVIEW
VPDCalculate
WaterWet
SoilLoamy
LightIndirect Bright (6 Hours)
Temperature18° C
Humidity60%
Dormancy3 Months
pH5.5
Pressure1,013 mbar
DETAILS
Care Instructions
Rhododendron arborescens requires indirect bright light and moderate temperatures. It thrives in high humidity and should be watered regularly to keep the soil evenly moist. This plant prefers a temperate climate and should be protected from extreme temperatures.Soil
The sweet azalea prefers well-draining loamy soil that is rich in organic matter. The soil should be kept evenly moist but not waterlogged. A slightly acidic pH is ideal for this plant.Fertilizer
Use a balanced fertilizer with a nutrient composition of 10-10-10. Fertilize the plant in early spring and again in late summer to support its growth and flowering.Repotting
Repotting is generally not necessary for Rhododendron arborescens unless it is grown in a container. If repotting is needed, do so in early spring before new growth begins. Use a well-draining, acidic potting mix.Propagation
Rhododendron arborescens can be propagated through semi-hardwood cuttings taken in late summer. Dip the cuttings in rooting hormone and plant them in a well-draining, acidic soil mix. Keep the cuttings in a humid environment until they root.Pruning
Pruning is required to maintain the shape and health of the plant. Prune after flowering to remove spent blooms and any dead or diseased branches. Light pruning can also help improve air circulation within the plant.Toxicity
Rhododendron arborescens is toxic to pets and humans. All parts of the plant contain grayanotoxins, which can cause symptoms such as nausea, vomiting, and difficulty breathing if ingested. Keep this plant out of reach of children and pets.Additional
To ensure the best growth, mulch around the base of the plant to retain moisture and regulate soil temperature. Avoid planting Rhododendron arborescens in areas with heavy clay soil or poor drainage.REVOLUTIONIZE YOUR PLANT CARE
Make Every Plant Smart
Plant Monitor
STAYS IN YOUR PLANT
Accurately measures the core metrics of your plant – soil moisture, light, temperature and humidity - as well as compound metrics such as Vapor Pressure Deficit (VPD) and Growing Degree Days (GDD).
Shop Now
