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PlantSnap
Plant Care
Satsuki azalea
(Rhododendron indicum)
Also Known As
Satsuki azalea, Indica azalea, Japanese azalea, Indian azalea
About This Plant
Rhododendron indicum is a species of flowering plant in the heath family. It is a small evergreen shrub that typically grows to 2-4 feet (60-120 cm) tall and wide. It has dark green leaves and produces showy clusters of pink, red, white or purple flowers in the spring.
Plant Care Instructions
Outdoor Size Range
2-4 feet (60-120 cm)
Light Requirements
Indica Azaleas prefer partial shade, with some morning sun and afternoon shade being ideal. Too much sun can damage the leaves and flowers, while too much shade can reduce blooming.
Humidity Needs
Indica Azaleas prefer high humidity, around 50-60%. You can increase humidity by misting the leaves, placing a tray of water near the plant, or using a humidifier.
Fertilizing Schedule
Indica Azaleas benefit from regular fertilization during the growing season, using a fertilizer formulated for acid-loving plants. Apply fertilizer every 4-6 weeks from early spring to mid-summer, following the manufacturer's instructions.
Pruning Guidelines
Indica Azaleas require minimal pruning, but can be lightly pruned after flowering to shape the plant and remove any dead or damaged branches. Avoid heavy pruning, as this can reduce blooming.
Common Pests and Diseases
Indica Azaleas can be susceptible to lace bugs, spider mites, and azalea caterpillars. Regular monitoring and treatment with insecticidal soap or neem oil can help control these pests.
Indoor Size Range
18-24 inches (45-60 cm)
Watering Schedule
Indica Azaleas need to be kept consistently moist, but not waterlogged. Water them deeply once a week, or more often in hot, dry weather. Avoid getting water on the leaves, as this can cause fungal diseases.
Temperature Range
Indica Azaleas prefer cool temperatures, between 60-65°F (15-18°C). They can tolerate slightly warmer temperatures in the summer, but avoid exposing them to temperatures above 75°F (24°C).
Growing Season
Indica Azaleas bloom in the spring, typically from late April to early June. They grow best in USDA hardiness zones 6-9.
Growing Difficulty Level
Indica Azaleas are moderately difficult to grow, as they require specific growing conditions and can be susceptible to pests and diseases. However, with proper care and attention, they can be a rewarding and beautiful addition to your garden.
USDA Hardiness Zones
6-9
Did You Know?
Indica Azaleas are native to Japan, where they have been cultivated for centuries. They were first introduced to Europe in the 18th century and have since become popular ornamental plants around the world.
