Can plants be grown without sunlight?
Every year, elementary school students around the world learn about plants and what they need to grow. This may be one of the first scientific formulas we learn by starting to explore our world. Seeds + soil + water and sunlight are essential for growing plants. By studying the solar system and how the sun affects the universe, our understanding of the need for the sun increases. But in all those childhood years, the question did not cross our minds: can plants be grown without sunlight? Join us in this article to get the answer to this question.
Can plants be grown without sunlight?
Yes, you can grow plants without sunlight! Plants need light to prepare their food, but it does not matter where this light comes from. That alone is enough. Ceiling lights or floor lights are not enough, but there are special lights called “growth lights” that mimic sunlight so that plants can grow under their glow. There are many types of growth lights and you can get them from many places. With these lights, sunlight is simulated and it is possible for plants to grow indoors all year round.
What is the best type of light for growing plants without light?
There are basically three types of growing lights that you can use for your plants:
- High pressure sodium (HPS) Sodium vapor lamp or metal halide
- Fluorescent lights
- LED lights
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1. Sodium vapor light
HPS lights are one of the most powerful and expensive growth lights you can get. They emit a lot of heat but can emit 1000 watts of simulated sunlight to your plants. They can be purchased for special booths, tents and other accessories for those who have more than a handful of houseplants and are planning to build their own greenhouse or for a large basement. Due to the considerable heat that these lights produce, they are not recommended for spaces other than gardeners, children or pets.
2. Fluorescent lights
Fluorescent lights are cheaper and less powerful than HPS lights, but in many ways they are more practical. Because these lights are long and thin, they can be easily used on the shelves. They are also cooler than HPS lights, meaning they have a lower fire risk and require less ventilation in the garden. The most important disadvantage of fluorescent lights is that they contain chemicals, so if they break, in addition to cleaning the glass, you may have to deal with chemical residues.
3. LED lights
LED lights are the safest, most comfortable and compatible lights for plant growth, without sunlight. The downside is their price and sometimes they do not fit in stacked places like shelves.
How to choose the best growing light ?!
So choosing the best type of light for you depends on several variables. Before you buy these lights, you need to answer the following questions:
- How much experience do you have in indoor gardening?
- How many plants do you have and how many plants do you hope to have soon?
- How much space do you have for these plants and how are they arranged?
- How far are these plants from light?
- Who has access to the area where you keep your plants?
as a result :
If you have enough space and money and you are a more experienced gardener, HPS lights may be the best option for you.
If you have a shelf-like space but you have plants that you want to grow without sunlight, fluorescent lights work best for you.
LED lights have less heat than other lights, which is not useful in cold weather, but in most cases have less environmental impact on your plant area. In general, if you can afford them, LED lights are usually better to buy.