Answer:
Look closely at the plant and you can see white Vanda orchid roots growing along a stem. Using a sharp, sterile knife, cut several inches from the top of that stem, making the cut just below the roots. Generally, it's easiest to make the cut between sets of leaves.
Vanda are the easiest orchids to divide. Once roots start to appear on the stem, the plant can be cut easily with little risk of failure. ... New healthy roots are starting all along the plant stem.
Fertilize with a balanced (such as 20-20-20) fertilizer applied full strength once a week during4 warm weather or use a one-quarter-strength solution at every watering. During cool or cloudy weather, apply fertilizer once every two to four weeks.
Vanda orchid plants need 80 percent humidity, which may have to be provided by a humidifier or spritzing the air. Repot every three to five years in spring. Fertilize during the growing season. Feed once a week with a one-quarter dilution of balanced fertilizer as part of good care of Vanda orchids.
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