The unit of measurement is micromoles per second (umol/s). This is what we refer to as the intensity of the grow light. PPF (Photosynthetic Photon Flux) refers to the total amount of light produced per second by an LED, fluorescent, or other light sources. An excellent article on the differences between PAR and lumens can be found here. Photosynthetic active radiation (PAR) is the light wavelengths that drive photosynthesis in plants. Humans use photopic vision to sense color. It’s easy to overlook the fact that plants and humans receive light in quite different ways. ![]() Some of it is also deceptive.Ī good video on frequent misunderstandings about the color spectrum, notably red and blue light, may be found here: However, there is a wealth of information available on the unique advantages of red and blue lights. Red light promotes flower development, making it crucial for fruit-bearing plants. Seedlings, houseplants, culinary herbs, and a variety of other plants thrive in this full-spectrum light.īlue light, in general, promotes the development of leaves and stems. ![]() Most indoor plants flourish in full-spectrum bulbs, which produce a balance of cool and warm light that simulates (or at least tries to mirror) the sun. This is referred to as full-spectrum or white light. The sun produces the full visible light spectrum, including red, orange, yellow, green, blue, indigo, and violet. We all know that plants need light to thrive, but have you ever considered how the hue of light influences plant growth? Let’s start by knowing the needs of your plants before we look at the LED vs. ![]() When it comes to grow lights, there are three main factors to consider: the color of the light, the energy cost of the fixtures, and the intensity of the light. Fluorescent Grow Lights: Which Is BetterĬonsiderations When Choosing A Grow Light 3.6 Can You Use Regular Fluorescent Lights To Grow Plants?.3.5 When Should You Use A Fluorescent Grow Light?.1 Considerations When Choosing A Grow Light.
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