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Home » Does 24 Hour Light Hurt Plants? The 15 New Answer

Does 24 Hour Light Hurt Plants? The 15 New Answer

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The answer to the question is no, it is not recommended to leave your grow light 24 hours a day, because this will force plants to grow quickly. It is ideal to keep a grow light on for about 12 to 18 hours. Too much light in various growth phases can interrupt a weed plant’s natural process of growth and dormancy.A: In general, you should not leave grow lights on 24/7. Plants need a light-dark cycle to develop properly. It’s believed that they truly do “rest” during periods of darkness, and probably use this time to move nutrients into their extremities while taking a break from growing.Duration of Light

Most houseplants do well with 12-16 hours of artificial fluorescent light each day. Too little light will result in elongated, spindly growth and too much light will cause a plant to wilt, color to fade, soil to become excessively dry and foliage to burn. Plants also require a rest period each day.

Does 24 Hour Light Hurt Plants?
Does 24 Hour Light Hurt Plants?

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Do plants grow better with 24 hour light?

A: In general, you should not leave grow lights on 24/7. Plants need a light-dark cycle to develop properly. It’s believed that they truly do “rest” during periods of darkness, and probably use this time to move nutrients into their extremities while taking a break from growing.

Can plants get too much artificial light?

Duration of Light

Most houseplants do well with 12-16 hours of artificial fluorescent light each day. Too little light will result in elongated, spindly growth and too much light will cause a plant to wilt, color to fade, soil to become excessively dry and foliage to burn. Plants also require a rest period each day.


Gardening experiment Vegging seedlings plants 🌱 24 hour light VS 12 hour light: Which is best?

Gardening experiment Vegging seedlings plants 🌱 24 hour light VS 12 hour light: Which is best?
Gardening experiment Vegging seedlings plants 🌱 24 hour light VS 12 hour light: Which is best?

Images related to the topicGardening experiment Vegging seedlings plants 🌱 24 hour light VS 12 hour light: Which is best?

Gardening Experiment Vegging Seedlings Plants 🌱 24 Hour Light Vs 12 Hour Light: Which Is Best?
Gardening Experiment Vegging Seedlings Plants 🌱 24 Hour Light Vs 12 Hour Light: Which Is Best?

Can you leave lights on 24 hours during veg?

To sum it up, leaving grow lights on for 24 hours could impact a plant’s health. Like humans, plants need to rest as well. Remember, only the vegetative state can tolerate 24 hours of light exposure. But all phases have recommended on-off cycles to let weed plants undergo photosynthesis and respiration.

How far should I keep my grow light from my plants?

There is no universal rule for setting the distance but it’s recommended that LEDs are placed 12 to 18 inches away from the plants. Light is among the most vital factors to consider when growing plants because it triggers the photosynthesis process.

Is 12 hours of light too much for plants?

For plants that obtain no direct sunlight from a window, extend their period under lights up to 16 to 18 hours a day, in most cases. However, 12 to 14 hours may suffice if some natural light is available daily.

Can LED lights burn plants?

While LED lights do produce some heat, they deal with that heat more effectively than other light types. Plants can grow much closer to LEDs than other lighting types because of this. Usually crops can grow right up to the light without burning.

How do I know if my plants are getting too much light?

Plants exhibit several signs when they’re getting too much light. The most apparent sign is leaf burning. This typically causes the yellowing of leaves at the top of the plant but the veins stay green, and the leaves take on a yellow or brown, burnt look.


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reasons why 18-6 schedule is better than 24HR on cycle

reasons why 18-6 schedule is better than 24HR on cycle
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Can basil grow under 24 hour light?

It’s official: Basil is not a teenager. Unlike my teenage sons, who need at least 10 hours a day in a dark room to sleep and grow into the best versions of themselves, basil becomes its best when given light 24/7.

Can Autoflowers grow under 24 hours of light?

Autoflowers don’t necessarily need a dark cycle. You can grow them under an autoflower 24 hour light from seed to harvest. Many people do just that whereas others feel that they get slightly better results with a 20/4 or perhaps 18/6 autoflower light cycle.

Can lettuce grow under 24 hour light?

For best results, place the planters under a light for 24 hours a day. You can also cover your pot with a clear plastic bag and place it in a south-facing window. Check the soil moisture daily and water as needed. Depending on the type of lettuce planted, seeds will begin to sprout in 7 to 14 days.

How high should LED grow lights be above plants?

Depending on the size of the light, it is safe to keep grow lights located somewhere between 24-36 inches from the top of the soil.

How long should LED grow lights be on?

To be effective, grow lights really need to be on for at least 8-10 hours a day. This can vary up to 16 hours, depending on the conditions. That’s why LED grow lights are so popular – when they have to be left on all day, it’s best to use an energy efficient type!

What type of grow light is best for indoor plants?

When growing most houseplants, use light bulbs between 4000 and 6000 Kelvin, as the bulb’s color temperature will borrow from a full spectrum of colors—cools and warms. With these lights, you can actually mimic the growth you would get in a greenhouse or outdoors.


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Can plants grow with indoor lights?

With a set of grow lights, you can grow many plants indoors, including houseplants, orchids, and even some fruit and vegetable crops. Grow lights are ideal for seed starting because they help ensure stocky, green seedlings. A wintertime harvest of herbs and salad greens can also be grown under lights.

Can plants live off fluorescent light?

Are there plants that grow well using indoor light? The truth is that most plants tagged for indoor and office use do well, especially the foliage plants. In fact, the whitish blue light that fluorescent lights give off is fine for most plants, particularly foliage plants that are good for indoors.

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