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How many hours a day does the plant light turn on

Generally speaking, the best time to use a plant growth lamp is 6-16 hours. The answer to this frequently asked question depends on many factors, so we need to analyze it separately. But one thing is certain. The idea of keeping plant lights on all day is not very good, which will damage and kill plants.

First of all, different kinds of plants and seeds need different water and heat, as well as different light concentration and exposure. Many indoor plants and flowers can thrive after 16 hours of light, but some plants and flowers only need 6 hours under the same light. That's why we should study the plants we want to buy, not only because of light, but also because of other factors, such as water and soil.

Dark time is as important as the time spent in light, because it can consume all the energy previously generated by plants. The same is true of sunlight - it is not available 24 hours, and plants grow at night and need rest to become stronger. In addition to the requirements of plants, light depends on other factors - light concentration, the growth light we choose, and the color range of light.

If you're not sure about the light needs of the selected plants, let's take a look at the most popular plants owned by most plant growers. First look at the more common plants, such as aloe, orchids, lettuce, spinach, etc. these plants need a long time of illumination. They can grow best only when they work for 16 hours a day under the growth lamp, and plants such as African violet, dumb vine, China's Herba Lysimachia are in the middle and need about 10-12 hours of daytime to get medium light. However, plants such as tomatoes, peppers and snakes grow well under less light and only receive light for 6 hours. These plants prefer higher light intensity in a short time, so they have dark time to consume energy.

In addition to checking the hours of growth needed by plants, we should also understand their optical power. Some plants like to be exposed to low power for a long time, while others like to maintain high light intensity for a few hours.

If there is too much or insufficient light, just like over watering, too much light may be harmful to seedling plants, flowers and general plants. If they are placed under the growth lamp for too long time or under strong light, the plants will start drying and eventually die. This happens because the plant produces more energy than it can consume. A long time ago, this happened to Xiaobian. Xiaobian immediately reduced their exposure after noticing that there were yellow traces on tomato leaves. A few days later, they returned to normal.

On the other hand, if our plants do not get enough light, they will not produce enough energy and lead to death. Therefore, we must conduct thorough research and provide sufficient light according to the requirements of each plant.

Plants need to receive light regularly. They like to receive light at the same time every day. This is what we should remind ourselves to turn on the plant growth lights and turn them off at the right time or set alarm clock at any time to remind us when to do this.

Let's go back to the question we raised before: plant lamps open for a few hours a day. Ideally, growth lights should be open for about 12 to 18 hours, but they should also be adjusted according to the light requirements of different plants.