QA

Quick Answer: What Makes A Good Grow Light

LEDs are most often recommended for grow lights, though some fluorescent and incandescent bulbs can work. The most important thing is that the bulbs offer full-spectrum illumination and produce waves of red and blue light, which is often necessary for plants to thrive indoors.

What makes a great grow light?

The more lumens a light has, the brighter it is and the farther away you can position it from your plants. What you’re growing: Generally, lights that have a bluer hue (5,000 to 7,000 Kelvin) promote vegetative growth while red ones (3,500 to 4,500 Kelvin) are better for fruiting and flowering.

Can any LED light be used as a grow light?

LED Bulbs for Grow Lights You can use any LED bulb to grow plants if they are emitting enough light. Plants often also look for warmth to come from the light source and we know LED bulbs do not provide much of that.

What should I look for in a grow light?

Grow lights should provide the proper spectrum of light for photosynthesis, which key to plant growth. Before purchasing a light, be sure to check out the provided color spectrum. Lights that provide a full spectrum are the ideal choice for your growing space.

What makes a good LED grow light?

The best LED grow lights you should consider are those that can evenly distribute PAR. The LED grow light can overheat, especially if you use it for at least 15 hours a day for sufficient light for the plants. So, your LED grow lights should have an efficient cooling system.

Do regular lights help plants grow?

The Takeaway. So, to answer the question, yes you can use a regular light bulb to help plants grow. Your best bet would be to place a few LED lights designed for plants near your plants that need a little extra light. Be sure not to overheat the plant or to give it too much sun.

What color LED is best for plants?

Blue is the most important light for plant growth, because it is readily absorbed by chlorophyll and converted into energy through photosynthesis. That said, blue light on its own is not nearly as effective as blue combined with red.

Will fluorescent lights help plants grow?

Using fluorescent garden lights to enhance plant growth allows you to grow a host of plants in an interior space. Standard indoor lights do little to influence photosynthesis, while using fluorescent lighting placed closely to the top of the plants can help drive this important plant process.

Will 6000K LED grow plants?

The 50W , 6000K LED lights provides full spectrum light that’s optimal for plant growth.

How many lumens should a grow light be?

Vegetable seedlings and other “full sun” plants require about 2000 to 3000 lumens (at minimum) per square foot of growing space. So, if you’re growing just a single standard tray of seedlings, using a grow light that emits 3000 lumens is sufficient. Otherwise, do the math and scale up to a brighter light.

What color grow light is best?

Blue light has the best absorption by the plant due to the green pigment every plant has, also known as chlorophyll. This chlorophyll absorbs the blue light and transfers it into energy through photosynthesis making the plant grow faster because it’s able to get more nutrients.

What makes a grow light different?

Grow lights have a shorter lifespan than regular LEDs. The intensity of grow lights makes them more likely to burn out at a faster rate than regular light bulbs. That way, you will be able to create the right environment that promotes growth by choosing the right lights that help your plants flourish.

What color light is best for seedlings?

Light Color Red light stimulates vegetative growth and flowering (but if a plant gets too much, it will become tall and spindly). Blue light regulates plant growth, which makes it ideal for growing foliage plants and short, stocky seedlings (but too much will result in stunted plants).

How strong should a grow light be?

As a rule of thumb, aim for 20 to 40 watts per square foot. Divide the wattage of your bulb by 20 (such as 400 watts divided by 20 = 20), and then divide the wattage of your bulb by 40 (400 divided by 40 = 10).

Can I leave my grow light on 24 hours?

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.

What size LED grow light do I need?

Standard advice says you should aim for 32-50 watts per square foot of grow space. More like 25 watts if your grow space is a dedicated veg tent. So if you were working with a 3′ x 3′ space, you’d theoretically want an LED light with a power draw somewhere between 225 watts (vegetative) and 450 watts (flowering).

What is the difference between LED lights and LED grow lights?

There is not just one difference between LED lights and grow lights. While LED lights require more of a cash layout, they will last more than twice as long as other lights. As opposed to many other grow lights, LEDs are also cooler and can be situated closer to plants without a chance of burning leaves.

How far should LED grow lights be from 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.

Do purple lights help plants grow?

Violet or purple light has a shorter wavelength and higher energy, and is thought to be effective as a secondary light source to facilitate growth and development of a plant’s leafy vegetation. With more chlorophyll, a plant generates more nutrients and grows taller with more leafy vegetation.