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germinating marijuana seeds glass wat

That starch is only part of what you’ll need – you’ll also need to provide specific temperatures to germinate your seeds. Ideally, you’ll want to keep the temperature around 25 degrees Celsius (77 F) for the best results.

Combine 1 tsp. of hydrogen peroxide with 2 cups of water. Use this solution to water the plants. Or you can soak the seed in 1% hydrogen peroxide before planting.

How to Germinate Your Seed

It’s best to germinate seeds indoors where you can better control the temperature. Seeds are more likely to sprout in a warm and stable environment.

Peat pellets are comprised of decomposed vegetable matter which your plants will absolutely love. When you add water, it expands creating a nutrient-dense medium that is a good replacement for soil.

What does a weed seed need to germinate?

Scarification, or scuffing the shell, can also help water pass through an older seed’s tough outer shell.

To improve your chances, use carbonated water and/or add one of these supplements that help with water absorption. Fulvic acid and most boosters also give your seeds a light dose of nutrients.

2. SCARIFICATION

To scarify your seeds, line a matchbox or other small container with sandpaper. Drop the seeds inside, shake vigorously for 30–60 seconds, then remove. You may not notice much of a difference, but the small micro-abrasions are sometimes enough to let water breach the shell and trigger germination.

In a life or death situation, surgery may be the only option. Meaning—only do this if nothing else has worked because this technique ruins as many seeds as it saves.

When your old cannabis seeds don’t want to pop, one of these four techniques could come to their—and your—rescue. Aging seeds are more difficult to grow than fresh ones and we’ll explain what you can do to help germination.