best light for starting weed seeds

Because only female cannabis plants produce buds and you want them to focus all their energy on producing buds and not seeds, it’s important to identify and get rid of male weed plants so they don’t pollinate females. If females are pollinated, it will give you buds filled with seeds, making your weed harsh and unpleasant.

Cannabis seeds require three things to germinate: water, heat, and air. There are many methods to germinate seeds, but for the most common and simplest method, you will need:

Step 4

Plants grown from seed can be more hearty as young plants when compared to clones, mainly because seeds have a strong taproot. You can plant seeds directly into an outdoor garden in early spring, even in cool, wet climates.

To create a dark, protected space, take another plate and flip it over to cover the seeds, like a dome.

What are high-CBD cannabis seeds?

Aside from producing cannabis through seeds, or sexual reproduction, you can also reproduce the plant through cloning, or asexual reproduction. A clone is a cutting that is genetically identical to the plant it was taken from—that plant is known as the “mother.”

Best light for starting weed seeds

I have 1000w grow light, I also have a light gauge that goes from 0-1000 I’ve read that 500 is a good intensity is that true.

So, you may notice some of the ones around the outside edges will start reaching. In that case, it’s best to rotate them daily to ensure even growth.

Sounds like a great light setup for your seedlings! I would definitely stick to the recommendations on the package and keep them between 28-36″. Start with 28″ when the seedlings are small, and move the lights up as the seedlings get taller. If they begin to get leggy, then move the light down a few inches. Sometimes you have to experiment a little in order to figure out the perfect height for the exact lights you’re using.

In order to grow strong, healthy seedlings, it’s super important to provide the proper lighting for them right from the start.

More Posts About Seedlings

It never hurts to experiment to see what works best for you, and in your home. Just make sure it’s south facing, and the trays are as close to the window as possible.

Amy Andrychowicz says

The leaves should never touch the bulbs though, or they could burn. So make sure to check on them every day, and move the light up as necessary. Using an adjustable hanger will make this job a whole lot easier!

FAQs About Lighting For Seedlings

Amy Andrychowicz says

So plan to keep your artificial lights on for 14-16 hours during the daytime, and turn them off overnight.

Best light for starting weed seeds

When using HID lighting (usually a metal halide lamp), young seedlings should be kept at least 50cm from the bulb.

How much light for cannabis seedlings?

Concernant les tubes fluorescents normaux ( 18-36 W ), que me conseiller vous ?
Tubes normaux de couleur blanche, ou tubes horticoles de couleur rosée ( comme ceux qu’ont peut trouver sur les aquariums ).
Merci pour vos réponses.


Hey I have germinated two seeds. Do I put in a greenhouse that gets 9 hours of sunlight a day or put out in direct sunlight for same amount of time? Only popped through soil 3 days ago.