Today I will show you the best LED grow lights of 2023. Grow lights are required for seeding or growing vegetables or flowers indoors. You can save a lot of money by owning cheap grow lights. For example, the initial cost of purchasing LED grow lights can be high, but you can save money in the long run by saving electricity (LED lights use much less electricity than other bulbs).

This is a great grow lighting system for gardeners new to seeding, indoor gardening and greenhouse gardening because first of all it’s so cheap you don’t have to worry about spending a lot of money on something you might not like or understand to get right it. So it won’t be yet another item that you have to stockpile or start figuring out how to get rid of it.

How to use grow lights

Grow lights should always be placed at least 2 feet away from plants at any stage of growth. Even LED bulbs can generate enough heat to dry out seedlings or even burn them.

As the plants grow, their leaves should always be kept out of direct contact with the grow lights so they don’t burn. Timing is everything with any type of grow light, so try to provide light that replicates your average summer light levels.

Grow lights should not be used as plant heaters, so try to focus on lighting, not heating.

ECO Farm ECOZ 510W Samsung 301H Chips LED Grow Light With Separately UV+IR Control

Features:

The ECO Farm grow light is Built with the best parts, Top Bing Samsung LM301H & Osam Chip and brand driver for higher efficacy and longer lifespan; to ensure high-efficiency PPE 2.75umol/J, better heat dissipation, and long service life. Compared with old plant lights, the average PPFD is increased by 30%, and the yield and quality are increased by 50%. With 6 LED growth lights, each rod is covered with high-grade glue, waterproof, and easy to clean, not easy to be filled with dust. This plant growth light also uses a special dimmer, which can precisely adjust the brightness. 0–10 levels are optional. This means that you can see clear brightness levels and record while adjusting. No need to worry about differences. Full-Cycle Sunlike Spectrum, close to natural sunlight. The spectrum applies to the entire stage of indoor planting.

ChilLED Tech Growcraft X3–500W LED Grow Light

Features:

ChilLED LED Grow Light will maximize your yields and profits. Switch from HPS to ChilLED and increase your yields & profits 30–70+% without adding any additional heat, energy costs or cooling requirements. The market-leading efficiency combined with the tunable Yield Max spectrum equals unmatched performance. This grow light uses the highest build & component quality — never sacrificed for profits. ChilLED grow lights are built to last. Retrofit into your environment with ease. Hands down, ChilLED lights are the most versatile on the market. Growcraft lights have very high light output and unless your plants are already acclimated to high light intensity, it is best to start slow with the light hanging high and possibly also dimmed. Then monitor plant reaction over a few days and slowly adjust as needed.

Slim 500S Dimmable LED Grow Lights 3500k

Features:

Slim500S aims to be the most powerful and efficient LED plant growth light ever, adding the 500 watts LED plant growth light category. The new Samsung version 2 LH351H Crimson LED with a rating of 3.75 umols/J and the new Samsung LH351H Royal Blue LED with Samsung’s white LM301H LED with a 2-way dimmable system running 2,082 LEDs can achieve next-generation efficiency and Tuning ability. Slim 500S is by far the most advanced LED plant growth light of its kind. The combination of Slim 500S and our main touch screen controller enables growers to reproduce nature with precise precision and provide strain-specific lighting.

How does light affect plant growth?

Light is essential for plant growth. All plants, including flowering, fruiting and vegetable plants, are autotrophs that have evolved to use light to drive photosynthesis. Photosynthesis is the process plants use to convert water and carbon dioxide into complex carbohydrates (sugars) and oxygen. These carbohydrates, such as cellulose or glucose, provide the metabolic building blocks for various biosynthetic pathways. Excess carbohydrates are used for biomass formation, including stem elongation, leaf area increase, flowering, fruit formation, etc. The photoreceptor responsible for photosynthesis is chlorophyll, although other types of antennal photoreceptors (mainly carotenoids) also facilitate photosynthesis. In addition to driving photosynthesis, electromagnetic radiation of specific wavelengths is also used as a source of information to drive photomorphogenesis (changes in plant form caused by light), photoperiod (response to light-dark cycles) and phototropism (direction of growth) . Each type of photoreceptor is sensitive to specific wavelengths and drives a different subset of photomorphological changes.

Chlorophyll is the key photoreceptor in green plants and comes in two main forms, A and B. Chlorophyll A is the major plant pigment, accounting for approximately 75% of photosynthetic activity, with peak absorption responses at 430 nm and 680 nm. Chlorophyll B has absorption peaks at 460nm and 640nm and is an auxiliary pigment responsible for collecting energy and transferring it to chlorophyll A. Therefore, chlorophyll B is not independently involved in biosynthesis. In addition, the 3:1 ratio of chlorophyll A to B in plants indicates that plants are mainly dependent on chlorophyll A for photosynthesis. Although chlorophyll increases under electromagnetic radiation whose spectral composition is rich in red (long wavelengths) and blue (short wavelengths), chlorophyll reflects most wavelengths in the green region (550 nm to 650 nm), which is how leaves appear Green reasons.

The carotenoid family includes beta-carotene and the main xanthophylls (zeaxanthin, violaxanthin and lutein). These secondary metabolites absorb light most strongly in the 450 nm to 550 nm range. Carotenoids are yellow to orange because they reflect or transmit light in the wavelength spectrum around 550 to 650 nm. Carotenoids not only contribute to photosynthesis, but also protect chlorophyll from photooxidation by dissipating excess light as heat when the input energy to the photosynthetic region is overloaded.

Plants also have non-photoreceptor and non-photomorphogenic antennae, such as anthocyanins and flavonoids. They act as sunscreens and block superoxide production in response to high intensity blue (400–500nm) or ultraviolet (300–400nm) radiation. In plants, anthocyanins, flavonoids, and carotenoids are important bioactive antioxidants that suppress free radicals and eliminate compounds that cause photobleaching and growth inhibition.

Photomorphogenesis is mediated by phytochromes, cryptochromes, and phytochrome photoreceptors. Phytochromes have two isomers, called Pr and Pfr, which respond to 660 nm red and 735 nm infrared radiation, respectively. Different photomorphogenetic responses mediated by phytochromes are sent to metabolic pathways in plants to regulate seed germination, root development, tuber and bulb formation, leaf expansion, stem elongation, dormancy, flowering and fruit production. Cryptochrome, which absorbs light in the 340 nm to 520 nm range, prevents hypocotyl elongation and regulates the entrainment of circadian rhythms in flowering plants. Phototropins are plasma membrane-localized protein kinases that regulate phototropism, chloroplast accumulation, stomatal pore size, leaf flattening, and inhibition of leaf expansion.

Conclusion

There are a lot of things to consider when you determine your grow light’s lifespan. We hope that this article helps to simplify at least one of those factors for you!

The good news is that most LED grow lights are going to last a very long time. One more reason we think LEDs are the best choice for indoor growing.

If you have any tips or questions about how to determine your grow light’s lifespan, let me know in the comments! And as always, if you like what you read, share us with your friends!

Happy Growing!