Plant Growth Light

What is Plant Growth Light

Grow lights convert electrical energy into photons, light particles that stimulate photosynthesis and encourage plant growth.the best light sources for photosynthesis include a variety of wavelengths that the human eye perceives as color.

Benefits of Plant Growth Light

01/

Faster Harvest Cycle

Plants need sunlight to survive.they grow best if they receive adequate sunlight in a day.sadly though,our northern latitudes mean that they might not receive enough sunlight,especially from a shaded location.

02/

Eco-friendly

It's possible to fully recycle your led grow lights,making them a more environmentally friendly alternative to hid lights.these dangerous substances don’t exist in led grow lamps,ensuring that you and your plants face no harm.

03/

Accurate Spectrum

The light’s spectrum must optimize the potential of your plant. in certain light wavelengths and wavelength proportions, effects such as growth rate, stretching,and photoperiodism also occur.for years,our illumination methods, whether through metal halide,high-pressure sodium or fluorescent,have restricted plant growth and reactions.

04/

Less Heat Emission

The uv, ir, direct sunlight, heat and other lighting components can be too extreme for some of your plants.more energy and water should also be given to these plants so that they don’t die.however, when you use grow lights,you can adjust their heat to the right amount without decreasing the wavelength plants need.

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Types of Plant Growth Light

Fluorescent grow lights

Fluorescent grow lights come in a variety of forms,including tube lights and compact fluorescent lights (cfl).although they produce a full spectrum of light for plants,fluorescent bulbs are less energy-efficient than led bulbs and they can have a harmful heat output.

Incandescent grow lights

Although some growers use incandescent bulbs,this type of grow light has a high amount of heat output that can burn plants.incandescent lights are cheaper than other grow light options,but they use more energy and burn out quicker.

Led grow lights

Led (light-emitting diodes) lights have a longer lifespan than most other types of grow lights.they are and have a low heat output.led lights typically come in two styles:led grow light bulbs and larger led grow light fixtures.

Hid grow lights

Hid (high-intensity discharge) grow lights replicate natural light better than other types of grow lights.these high-output lights are expensive and most often used in commercial grow rooms.there are two main types of hid grow lights:high-pressure sodium (hps) lights,which emit a red color,and ceramic metal halide (cmh) lights,which produce a blue color perfect for seed starting.

How To Maintain Plant Growth Light

Avoid Overexposure

Excessive light intensity may cause damage to plants, causing leaves to lose color,wilt,or even die.when using plant lamps,adjust the light intensity according to the needs of the plants to avoid over-irradiation.

Appropriate Distance And Height

The distance and height of the plant light tube from the plants should be appropriate to ensure that the plants can fully absorb the light.

Maintain Ventilation And Temperature Control

Plant lamps will generate a certain amount of heat, so they should maintain good ventilation when using them to avoid overheating. at the same time,plant growth also requires a suitable temperature,and attention should be paid to the impact of the heat of the lamp on the ambient temperature.

Regular Cleaning And Maintenance

Dust and dirt may accumulate on the surface of the lamp,affecting the light output.clean the surface of the lamp regularly,check whether the working status and connection of the lamp are normal, and maintain and replace them in time.

Features of Plant Growth Light

The plant growth light should have the right color,duration,and temperature.light color should be within blue and red ranges,duration should be longer than the plant would receive during a normal day (since indoor light intensity is much lower than the sun),and temperature should not be too hot.

Components of Plant Growth Light

Plant growth lights are composed of the following parts:LED light-emitting diodes, radiators,drivers,mirror reflective materials,shells,cables and plugs,etc.

What are the Applications of Plant Growth Light

Grow lights are used for horticulture,indoor gardening, plant propagation and food production,including indoor hydroponics and aquatic plants. although most grow lights are used on an industrial level,they can also be used in households.

How to Choose Plant Growth Lights

Grow Light Systems
Complete grow light systems offer gardeners a whole host of benefits, such as built-in trays to catch water spills, adjustable bulbs that can be easily raised and lowered as your seedlings grow, and modular design capacity, so you can expand your indoor garden over time. Plus, most of these models are just plain attractive! No need to hide your seed-starting operation away in the basement anymore; these are made to be displayed.

Individual Bulbs
For gardeners interested in a DIY approach, or dealing with space constraints, individual bulbs and fixtures are a great low-cost option, allowing you to retrofit existing fixtures, or install single grow lights where you most need them.

Standalone Grow Light Fixtures
Ideal for single houseplants that require additional light to promote healthy growth or flowering, standalone grow lamps and fixtures provide dedicated full-spectrum light in a variety of designs, including desktop, hanging pendant, and floor models.

How Close Or Far Away From Plants Should a Grow Light Be?

As a general rule, LED grow lights should be at least 30cms away from plants. You'll often see 60cm to 1 metre recommended for LED grow lights. The younger the plant the further away it should be from a grow light. The higher the output of your grow light, the further away it should be.

Some lights have more narrow, concentrated beams so the more focused, higher intensity output means they should be further away from plants. Luckily the supplier can normally recommend the distance for each bulb. For example, Sunbulb recommends 30cms to 1.5 metres for their 24 watt LED grow light. You should also take the plant's light tolerance into account also. Even if a guide says 30cms, if your plants are not tolerant of very bright or direct light, opt to start further away and adjust from there.

The type of light matters also. LED grow lights in general are higher output than fluorescent, so will typically be better hung or placed further away than fluorescents. When looking up the distance your light should be, make sure to check what type of light the guide is talking about.

How Long Should a Grow Light Be on Per Day?

Most plants need at least 12 hours of 'Good Growth' light per day, with at least 8 hours of darkness, however will grow better with 16 to 18 hours of good light. You can look up the Good Growth level for different plant in the Plant Species Light Guide below.

Houseplants in general tend to be more tolerant of fewer hours of light, with 6 to 12 hours being sufficient, provided the light source is strong enough during that time, but will grow better provided with more. How long a grow light should be on depends on how many hours of 'good light' a plant gets from natural sources. A grow light can be used to supplement the good light hours, or as the only source of light if it's bright enough (again, depending on the light requirements of the plant).

Indoor plants typically get good light for only part of the day, depending on how far away from a light source they are located, time of day, time of year, and the direction the closest windows face; so in that situation a grow light can be used to supplement light levels to reach at least 12 hours of good light a day.

For example, a plant that requires bright light and gets good natural light for 3 to 4 hours in the mornings, might have a grow light programmed to come on for 8 to 9 hours a day, starting around midday, every day.

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FAQ

Q: Is it OK to leave a grow light on all the time?

A: Plants do require a daily respiration period of at least 6 hours per day (for seedlings) and ideally 8-10 hours for more mature plants. Therefore we do not recommend providing more than 14-16 hours per day of light, even if you are growing long-day-loving varieties and trying to induce flowering/fruit from them.

Q: Do LED grow lights get weaker over time?

A: Any time you're thinking of making a change in your cultivation routine, take a look at your plant growth for clues. As LED grow lights age, their lumen output depreciates, especially with cheap LEDs from China.

Q: Do LED grow lights get weaker?

A: Unless your grow light bulb is faulty from the get-go, it should produce its maximum range of lumen output. However, all grow lights have a lifespan in which the light output decreases over time.

Q: Can too much LED light hurt plants?

A: Too much LED light can hurt plants, leading to leaf burn and stunted growth. Acclimating plants gradually to the light and monitoring plant growth are key to avoiding these dangers and ensuring healthy indoor plant growth.

Q: Why do LED lights fail so quickly?

A: Drivers. Many basic LED light fixture designs incorporate the LED driver into the design for convenience. However, the drivers themselves generate heat and are also adversely affected by heat. Bolting them to a hot heatsink is about the worst treatment they can get and subsequently this causes premature failures.

Q: Do grow lights use a lot of electricity?

A: The grow light wattage to delivery a good yield will range from 400 to 650 watts, depending on the technology used. Therefore the power consumed by your grow light is about 80 to 90% of the total.

Q: Can grow lights get wet?

A: Certified LED Grow Lights for Damp Greenhouse Environments
All of our grow lights have an IP66 rating, demonstrating that these fixtures can stand against condensation, falling drops, sprays, splashes, and even high pressure water jets.

Q: How many watts is a good grow light?

A: Once you've decided which kind of plant grow light you want, it's time to decide how big a bulb you need for the space you have. First, determine how much space you need to illuminate. As a rule of thumb, aim for 20 to 40 watts per square foot.

Q: How do you tell if grow light is too close?

A: Signs of light burn in cannabis plants include upward-pointing leaves and what is known as “bleaching”. Bleaching is the white or yellow discoloration on the leaves closest to the light. Light burn can also be identified when the plant veins stain green as the rest of the leaves turn yellow.

Q: How far should LED grow lights be from plants?

A: As an unofficial rule of thumb, many growers work on the basis that: You need 20-40 watts of power per square foot. Lower wattage LEDs of around 200 watts should sit between 12-20 inches from the top of the plant. Higher wattage LEDs of 1000 watts and above should sit between 36-46 inches from the top of the plant.

Q: Are grow lights bad for eyes?

A: The main risk associated with the use of LED grow lights is vision loss due to overexposure to the ultraviolet radiation emitted by this type of light source. Prolonged exposure can cause damage to the eyesight, including cataracts, macular degeneration and other types of age-related vision problems.

Q: What makes LED last longer?

A: Because LEDs are as much as 90% more effective than incandescent light bulbs, they have a much longer lifespan. This is because they have no working parts that will burn out or break over time. An average LED light is a very robust piece of kit.

Q: Does humidity affect LED lights?

A: The critical LED display components, such as lamps and IC, are easily susceptible to moisture, resulting in short-circuiting and fault conditions.

Q: Are grow lights better than sunlight?

A: Generally, sunlight is best for plant growth but artificial lighting can improve the quality of light plants receive, improving plant growth. When artificial light is needed to supplement natural light, the spectrum (colors the lamp produces) is important.

Q: Why do grow lights get hot?

A: Grow lights require heat to produce light by arcing electricity through selected gasses, making them extremely hot, to the point the gasses glow.

Q: Is a 20W grow light good?

A: Medium light plants: Anywhere around 15Watts per square foot should be okay. However, more Watts may speed up the plant's growth. High Light plants: 20W per square foot or more will encourage growth and flowering.

Q: Do plants grow faster under LED?

A: LED Grow Light is proven to have the ability to grow the plant faster and healthier than some traditional methods such as HPS lighting.

Q: What does light stress look like?

A: Yellowing or bleaching of leaves: One of the most common symptoms of light stress is the yellowing or bleaching of leaves, particularly in older leaves. This occurs due to the breakdown of chlorophyll, the pigment responsible for absorbing light energy for photosynthesis.

Q: How high should my grow light be?

A: During the seedling phase, when plants are tender, lights are suspended higher. Generally, LED lights should be about 24-26 inches during this phase, and then lowered to 18 to 22 inches during the vegetative and flowering stages of growth.

Q: Do I need glasses for grow lights?

A: If you're going to work in a grow room, wearing a pair of eyeglasses in the grow room glasses is necessary—protect yourself! They'll prevent the harmful light that comes from the high wattage required to grow plants and you'll still be able to see your plants clearly.

We're professional plant growth light manufacturers and suppliers in China, specialized in providing high quality products. We warmly welcome you to wholesale or buy bulk discount plant growth light for sale here from our factory.