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AIR MOVEMENT: VENTILATION In the wild, gentle continual breezes along the leafy canopy of the rain forest are vital for the survival of orchids and other air plants. Air movement acts as preventive medicine for orchids. It helps evaporate stagnant water, trapped during watering, where fungi and bacteria breed. Without ventilation or fresh circulating air, orchids eventually die from rot, lack of a continual carbon dioxide source, or infection. Ventilation also helps orchids tolerate intense light without getting burnt leaves. You can easily improve air movement in your home so orchids grow happily. During the summer, when temperatures are high, open windows to allow fresh air to come inside. And when wintertime comes, you can use an ordinary oscillating fan to mimic the gentle breezes in the leafy canopy of a tropical forest. It is important to occasionally change the direction of the airflow so the area does not dry out.
orchid 101 light temperature humidity ventilation watering feeding repotting reblooming faq gallery