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best fluorescent light bulbs for growing weed

The typical homegrower will only need one or two lights. Most states limit grow amounts to 6 or 12 plants, and one or two lights should be plenty for that. If you plan on running two separate rooms, one for vegetative plants and one for flowering plants, you’ll need two lights.

Here are a few different CFL grow lights at different price points.


For HIDs, light occurs as an arc between two nodes inside the bulb. The gas contained in these bulbs is what makes MHs and HPSs different. HID bulbs are usually more expensive than the reflective hoods that hold them.

CFL lights for growing weed

Aside from the price of the actual light, also take into account utilities—all lights will add to your electricity bill every month, but some more than others. High-intensity discharge lights—known as “HIDs”—may be cheaper to buy but can gobble up electricity, whereas LEDs are more efficient and kinder on your electricity bill but usually more expensive to buy.

Best fluorescent light bulbs for growing weed

Fluorescent grow lights come in many different shapes and sizes, from twisty bulbs to long tubes. Fluorescents are popular because they make efficient and pleasant lighting for humans, and also work great for herb gardens and other types of low-key indoor gardening without using a lot of electricity.

Cannabis plants under a T5 grow light – when plants are trained (like these ones in a Scrog setup) you can get pretty decent yields from fluorescents.

Metal Halide (MH) Grow Lights

Best fluorescent light bulbs for growing weed

If you’re an aspiring cannabis grower or just want to optimize your lighting, check out our guide on the top 5 marijuana grow lights in the fluorescent, LED, and HID category. We cover the best lights for your plants for their vegetative and flowering periods. From the low-cost fluorescent to the energy-saving LED to the high-powered HID, our list gives you plenty of choices to achieve top shelf marijuana.

Marijuana Grow Light Types

If you’re looking for a super budget CFL, check out this full daylight spectrum incandescent grow bulb. The 125-watt compact fluorescent grow bulb comes with a compact reflector to maximize the lighting of your small garden. While this bulb may not provide the best lighting, it is CSA-certified and comes with a one-year warranty.

2. Hydrofarm FLCDG125D Fluorowing Compact Fluorescent System

Before we get into the specific brands and models of grow lights, let’s consider the different light types available. Each light has its own pros and cons. Some may offer a lot of lighting power for big gardens while others may provide just enough light to get you started on your first garden. You can find many marijuana grow lights on Amazon or purchase them directly from the manufacturer. You can find tons of cheap grow lights for cannabis and more expensive ones with better technology and lighting efficiency.