Vanda Orchid Care

Vandas require a great deal of water. In fact, in periods of high temperatures they might need to be watered twice a day. Otherwise, you'll most likely still have to water once a day, though you should back off to roughly once a week during winter dormancy. During the growing season, the growing medium should be consistently moist but not soggy.

Vandas are heavy feeders, and well-fed plants bloom better. Fertilize weekly with a balanced 20-20-20 fertilizer throughout the growing season. You can switch to a high-phosphorus fertilizer on every third application to promote better blooms. During cool weather, cut back the fertilizer to every two to four weeks.

Vandas require bright light, but they generally don't thrive in full sunlight. They can acclimate to full sun, though these plants are generally washed out and not as healthy as those grown under light shade cloth to take the edge off strong sunlight. Be aware of the species of vanda you have, as some require more sunlight than others.

These orchids naturally grow in rocky areas with little soil. Their large roots meander through the air and grasp onto nearby trees and other objects. Growing them in a typical potting mix can kill the plants. Instead, opt for a basket that allows good airflow for the roots. To keep the plant in place, add bark, peat moss, or another soilless medium to the basket. You also can use a potting medium specifically made for orchids. Eventually, the roots will attach to the basket to hold the plant upright.

Vandas prefer temperatures above 65 degrees Fahrenheit. They can tolerate lower temperatures, but prolonged exposure to cold can have a profound effect on a plant's growth and flowering. Exposure to any temperature below 50 degrees Fahrenheit can cause delayed flowering for up to a year.

To start a vanda in a basket, weave the roots through the basket slots and wire the stem base in place with plant wire. Use soilless growing media to further hold the plant in place. Vandas don't need repotting often, as the roots don't mind hanging out of the basket

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