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how do you start a marijuana seed using rockwool

Now, if you can, place them in a tray with a dome on it. This will help create a little humidity in there which seedlings like. This is not mandatory, but it helps. Whichever you choose, take your cubes and put them in a cool dark place, and leave them alone. The temperature should be roughly 68 degrees F, though my house stays at about 72 and they do fine there. I usually place them above my refrigerator and just leave them for a day or two. My lettuce seedlings sprouted with a quickness the last time I tried, and by the 3rdday they had grown so tall that I had to take the plastic dome off of my container because they were bumping up against the ceiling.

Step 2: Now, you need to plant your seeds at the right depth. A good rule of thumb is to plant seeds 2 times deeper than the width of the seed.


Step 1: Place your seeds in a container of clean water and allow to soak overnight, or for at least 12 hours.

Check out this method in action:

So what is the best way to germinate weed seeds? Read on to find out…

This will essentially starve and kill your seedling.

It’s easy to learn how to grow marijuana seeds in rockwool cubes in a few simple steps. Here’s how you do it.

Why does this work?

As mentioned in the previous methods, seeds need water to germinate.

This method is as old-school as it gets, drop your seeds in some dirt, add water, and you’re done.

Check out this method in action: