Phalaenopsis orchids are native to the tropical forests of Southeast Asia, in countries such as China and India, and therefore like a warm and humid environment. They are epiphytic plants in their habitat, meaning they grow on tree trunks or rock formations, rather than growing directly in the soil like most plants.
Phalaenopsis orchids have a long flowering period and are known for their delicate flowers that can come in a variety of colors. After a flowering cycle, the flowers wither and fall off. This often fools the less experienced, who think that the plant has died. However, the orchid is still alive and, under ideal light, humidity and temperature conditions, will bloom again quickly.
Luminosity
Phalaenopsis orchids prefer bright environments without direct sunlight. They can sometimes tolerate environments with less light, but in these conditions it is much more difficult for them to flower. Windows or balcony doors with plenty of light but without direct sunlight are ideal places. Orchids carry out photosynthesis not only in their leaves, but also in their roots; therefore, transparent pots are used that allow sunlight to reach the roots.
Watering
Watering when the roots start to dry out is the best way to keep your orchids healthy. However, these orchids do not tolerate overwatering.
It is important to let the water from watering drain away and never leave the roots in permanent contact with water. Orchid pots are usually transparent, which helps you identify when they need water: green roots mean they don't need water, grey roots mean you need to water your plant.
Temperature
The ideal temperature for Phalaenopsis orchids is between 13°C and 30°C. Avoid placing them near sources of heat or cold, such as heaters or air conditioners. Sudden changes in temperature are also not well accepted.
Humidity
Orchids do not like dry air. They prefer environments with humidity levels between 50% and 75%. During cold weather, with the use of heaters and other heating devices, indoor environments can become drier. In these cases, it is advisable to spray the orchid leaves with water or a foliar moisturizer specifically for orchids.
Suitable substrate
Phalaenopsis orchids are often grown in a mixture of pine bark and expanded clay, which allows adequate air flow to the roots. However, there are specific substrates for epiphytic orchids, such as the Phalaenopsis orchid, which provide the ideal amount of the various constituents, as well as specific fertilizer.
Most common problems with orchids
The most common problem with Phalaenopsis orchids is overwatering. The visible symptoms on the plant are yellowing and wrinkling of the leaves.
Direct sunlight can also cause problems for orchids, causing yellow spots on their leaves.
Finally, wilted flowers, although not a problem, can be interpreted as such. However, they only indicate the end of the flowering cycle and the transition of the plant to a state of energy storage for the next flowering.
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