While the wattage of the light produced by the CFL bulbs is more important than the spectrum of light, optimizing the spectrum is a good idea.
As mentioned, the coverage of one CFL bulb will only produce enough light exposure to about 12 inches away from the bulb itself. This means that you’ll probably need multiple lights per plant to account for lateral growth.
How To Grow With CFL
However, this doesn’t make or break your cannabis growing operation. If you don’t use a warm white CFL for flowering, you won’t ruin your marijuana. This advice is more about how to set up CFL grow lights in a perfect world.
When setting up something like a small CFL closet grow, you might want as little light as possible. Each cannabis plant will require around 80 watts of light, with more being better. Using 2 40 watt CFL bulbs is sufficient for a mini CFL grow.
Pros & Cons Of CFL Lights For Growing Weed
Let’s take a look at CFL lights for growing weed. There are quite a few options for lighting when looking to grow cannabis indoors. CFL lightbulbs are becoming more popular because they are beginner-friendly and easy to use. The best CFL lights for growing weed will help you produce more marijuana in small spaces than you thought was possible. If you have a small space that you want to utilize for growing ganja, CFL lights may be the best option!
Choosing a CFL to grow with is a perfectly legitimate choice, but there are some factors to be aware of when using them. We’ll go over a few of those here:
They’re also a good choice as a supplementary light that can be aimed easily due to them fitting into easily moved light sockets. Aim some of these to the side or underneath a plant that is already doing well via a different type of light and it will add a lot to the growth below the light-blocking canopy on top.
Emart is offering two full-spectrum daylight bulbs here, for a pretty great price. Two of these will easily handle the growth of a single small to medium-sized cannabis plant, and the price and quality here is good to boot. This won’t be enough for multiple large plants, but using this as something to get into the game is not a bad plan at all.
6. Satco Hi-Pro Spiral CFL Soft White
It’s still one of the better 2700K bulbs on the market, though, so if you’re determined in using one this is a solid pick.
CFL’s are the popular entry-point into indoor growing, both with cannabis and other plants as well. However, finding the right CFL for growing cannabis can be a bit trying. There is a massive market and a plethora of reviews to go over, and it’s hard to tell what is best to use for any given situation without first-hand experience.
Buyer’s Guide: Selecting the Best CFL Grow Lights
CFL bulbs are a great introduction to the indoor cannabis growing arts and should be seen as a perfectly respectful way of going about things.
You can also spend a bit more and get the Hydrofarm Agrobrite FLCDG125D CFL System for multiple plants.