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PlantSnap
Plant Care
Blue vanda
(Vanda coerulea)
Also Known As
Blue vanda, Vanda orchid, Blue orchid
About This Plant
Vanda coerulea is a species of orchid endemic to the high-altitude areas of the eastern Himalayas and Southeast Asia. It is known for its stunning blue flowers and is a popular ornamental plant.
Plant Care Instructions
Outdoor Size Range
12-24 inches (30-60 cm)
Light Requirements
Vanda coerulea requires bright, indirect light. It should be placed near a window with filtered sunlight, but not in direct sunlight.
Humidity Needs
Vanda coerulea requires high humidity levels, between 50-70%. It can be misted regularly or placed on a tray filled with pebbles and water to increase humidity levels.
Fertilizing Schedule
Vanda coerulea should be fertilized every 2-3 weeks during the growing season with a balanced orchid fertilizer. It can also benefit from a weekly dose of a weakly-diluted fertilizer solution.
Pruning Guidelines
This plant does not require much pruning, but dead or damaged leaves and flowers should be removed to promote new growth.
Common Pests and Diseases
Common pests for Vanda coerulea include spider mites, scale insects, and mealybugs. It can also be susceptible to fungal and bacterial infections.
Indoor Size Range
N/A
Watering Schedule
This plant requires frequent watering, especially during the growing season. It should be watered every 2-3 days, and the roots should be soaked in water for 10-15 minutes. During the winter months, watering can be reduced to once a week.
Temperature Range
This plant prefers warm temperatures, between 70-85°F (21-29°C) during the day and 60-70°F (15-21°C) at night. It can tolerate cooler temperatures, but should not be exposed to temperatures below 50°F (10°C).
Growing Season
Vanda coerulea grows best during the spring and summer months.
Growing Difficulty Level
Vanda coerulea can be a bit difficult to grow, as it requires specific growing conditions and can be sensitive to changes in temperature and humidity. However, with proper care, it can thrive and produce stunning blooms.
USDA Hardiness Zones
This plant is not suitable for outdoor cultivation in the United States, but it is generally hardy in zones 10-12.
Did You Know?
Vanda coerulea is the national flower of Singapore and is highly prized for its blue color, which is rare in the orchid world.
