In order to perform proper orchid plant care, there are several considerations, and though there are some variations based on species or variety, the general concerns can be boiled down to those issues and these generalizations:
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First consideration: Kind and Intensity of Light
Most like indirect morning sun as filtered through a curtain sheer. They will need to be moved when the temperature gets higher or the sun gets brighter. If this situation is not available to you, you can use an incandescent bulb, but these have other drawbacks because they generate a lot of heat.
Oftentimes a better choice is fluorescent lights because they deliver a broader spectrum of light and give off less heat as well. If you are willing to go that extra mile with the expense, high density discharge lights are probably the best because of their efficiency and quality of spectral light.
Second consideration: Temperature
They are not so temperamental when it comes to temperature, much less so than about light, but different species do have difference “preferences” in order to be the healthiest and bear the most blossoms. The temperature ranges typically fall into three groups–those that do very well in a typical American home; those that require cooler temperatures and more light; and those that require a warmer temperature—never below 45 degrees Fahrenheit.
Getting the right temperature for your particular flower is vital because if you get too much the plant might wither and die. If it receives too little, the leaves will become soggy and rot. Proper care is essential to the lifespan of the flower.
Third consideration: Humidity
Tropical orchids? Lots! They need both lots of humidity and warmth. They need extra water and, if you have them outside, you need to have some sort of water feature near them so they won’t become desiccated. Water them 2-3 times per day and be careful not to let them dry up in the summer when they are not supposed to be dormant.
Specifically speaking, orchids need 60% to 80% humidity in order for them to thrive and bloom. Most growers won’t have a problem with this unless days are very hot. If a problem exists with the humidity, try using a small humidifier in the room where you have placed them.
Fourth consideration: Air Movement
They like slight breezes. You can accomplish that with an open window or a small personal fan.
Fifth consideration: Watering
This is a tough one to judge completely because different species and varieties require different amounts. However, as a rule of thumb, most of them like to have their roots well-drained. Certain ones that are watered too often will develop rotted roots, and there’s not much you can do to rectify that. The amount of watering differs according to circumstances as well.
For example, you won’t have to water after 3 cloudy days; or if the temperature is below 60 degrees; or a plant in a plastic pot has received very little air movement; or finally, if the humidity has been 70% or higher. Orchids respond a lot to proper or improper watering. “Oh no!” you might think. “How will I ever remember all this”? Pretty soon it will become second nature.
Sixth consideration: Fertilization
Although the basic environment that these beautiful flowers reside in contributes most of their needs, there are some that they use up very frequently, and those are nitrogen, phosphorus, and potassium. These mixtures are readily available in gardening stores for all your plant care needs.
Seventh consideration: Nutrition
Orchids, like most plants, do need some nutritional supplements, and you can pursue and purchase these from your gardening shop along with the basic plant care that they need.