How to Plant Weed Seeds: Indoors & Outdoors


Many people want to grow weed, but not many know how to plant weed seeds. There are several different planting techniques that can be used and it is important to know which one will work best for the type of planting you plan on doing.

If you’re planting weed seeds for the first time, understanding how to plant them can be a bit of a challenge. You may also wonder if planting them indoors or outdoors is best. The answer is that it depends on where you live and what type of seeds you have.

In this blog post we’ll walk through planting weed seeds both indoors and outdoors so that no matter your situation, planting weed seeds will be easy, so let’s get started!

What Do You Need for Planting Marijuana Seeds?

Planting weed seeds is not an easy task. There are many factors to consider such as planting techniques, planting location, and planting time. Below, we will go through how to plant weed seeds in different planting scenarios so that you can pick the planting time that works best for you.

When planting weed seeds indoors, it is vital that you only use a sterile planting mix. This will provide your weed seedlings with the right conditions to grow in. Make sure that the planting mix doesn’t contain any nutrients or fertilizer because these may cause other types of plants to grow.

If planting your weed seedling outdoors make sure that the ground has been fertilized and watered well. A planting time of late April – early May should provide enough time for the weed seedlings to grow and be ready by fall.

What Do You Need for Planting Marijuana Seeds?

You need a planting container that has holes in it. Planting containers can be found at grocery or home improvement stores. Make sure the planting container has holes that are large enough for your seed to fit through.

You also need potting soil, which can be purchased at any local garden center. Fill the planting container with potting soil and water it until the potting soil is moist and no more water will absorb into it.

You might need to add another layer of potting soil (or buy new planting pots) if you plant more than one germinated weed seed in each planting container. Next, lay down the weed seeds on top of the moistened potting soil and cover them with a thin layer of planting soil or potting soil.

Wait about two weeks for the weed seeds to germinate in a planting container with holes, or one month if you plant them outdoors. After they have sprouted and their roots are partially through the planting soil cover, transplant your new seedlings into larger containers or outside beds. Keep these plants watered every day until it is time to harvest them.

Please note that planting germinated weed seeds indoors does not offer as much space and sunlight for your plants as planting the seedlings outdoors in a bed or container will. Germinating marijuana seeds at home is an easy way to grow new plants, but it can be more work than sitting back and waiting for outdoor plants to grow.

How to Plant Cannabis Seeds in 5 Simple Steps

Step 1 — Fill a Pot or Cup with Potting Soil

The planting container is going to be the pot where you’re planting your weed seeds and growing your plants, so make sure it’s large enough to hold enough of your planting soil. You can find planting containers at grocery or home improvement stores. Make sure the planting container has holes that are large enough for your seed to fit through.

If necessary, add another layer of potting soil (or buy new planting pots) if you plant more than one germinated weed seed in each planting container. This will ensure that the planting soil is loose enough for the root of any single seedling to grow comfortably.

Next lay down the weed seeds on top of the moistened planting soil and cover them with a thin layer of planting soil.

Step Two — Wait for the Seeds to Germinate in Home-Planting Containers or Outside Beds

Wait about two weeks for the weed seeds to germinate, if you planted them indoors in planting containers with holes; one month if they’re outside in planting beds.

After they have sprouted and their roots are partially through the planting soil cover, transplant your new seedlings into larger containers or outside beds. Keep these plants watered every day until it is time to harvest them.

Please note that planting germinated weed seeds indoors does not offer as much space and sunlight for your plants as planting the seedlings outdoors in planting beds or planting containers will.

Germinating marijuana seeds at home is an easy way to grow new plants, but it can be more work than sitting back and waiting for outdoor plants to grow.

Step Three — Use the Best Potting Soil Possible

Potting soil should have some organic material like peat, compost, or bark to help hold the planting soil’s moisture.

It should be loose enough for roots to grow easily and allow airflow so that plants can breathe too. It might have fertilizer mixed in already, but if it doesn’t you need a separate fertilizer like organic plant food from your local garden center. If it does contain fertilizer, you’ll only need to add a little bit of additional fertilizer.

Step Four – Enjoy the Harvest!

When planting cannabis seeds, germinating weed seeds indoors or outdoors, and planting in pots or planting beds all produce different benefits for these plants. Indoor planting gives easier access to artificial light which means more control over your plant’s growth. Outdoor planting gives more space for planting your weed seeds and the natural sunlight means you don’t have to worry about artificial light.

The benefits will vary depending on what’s most important to you. The goal of planting is always a healthy, flourishing plant!

Step Five — Clean Up Your Work Space

When growing marijuana indoors or outdoors it’s important to make sure you clean up your planting space when you’re finished. This will avoid attracting pests and diseases that can harm the next batch of plants.

At home, use a wet cloth or paper towel and wipe down surfaces in the planting area like tables, countertops, and floors; then spray all surfaces with an anti-microbial agent.

If planting outdoors, uses a shovel or trowel to remove all dirt and debris from your planting area. Apply an anti-microbial agent to any areas where you planted weed seeds indoors like countertops and floors; then scatter compost on the planting area for nutrients that will keep the soil healthy.

What to Avoid When Planting Cannabis Seeds?

What to Avoid When Planting Cannabis Seeds

The planting process for cannabis is a delicate one. You need to be careful not to do certain things during planting, or you risk messing with the plant’s health and productivity.

  • Do not use chemical fertilizers if planting indoors. Organic plant food is the best choice since it doesn’t contain chemicals like herbicides, pesticides, or fungicides.
  • Don’t water plants too much when planting outdoors. Depending on your climate, it might only take 2-3 watering per week to keep your plants happy and healthy.
  • When planting indoors, don’t include any synthetic products in the planting mix like clay pebbles, polystyrene peanuts, or artificial planting materials like rock wool cubes or coconut mulch granules because they will eventually decompose and release chemicals that could harm the planting soil’s bacteria.
  • If you’re planting outdoors, do not use chemical fertilizers around your plants because they will leach into the groundwater. This can lead to contamination of drinking supplies or increase levels in nearby rivers and streams for those who drink from these sources.

How Long Does Planting Cannabis Seeds Take?

The planting process for cannabis takes a few days but varies depending on your planting location. Indoors, it’s best to start planting seeds in containers or small pots and then move them into larger pots as they grow; outdoors you can plant weed seeds directly into planting beds or containers if the soil is not too hard to penetrate.

  • If planting indoors, it will take about two weeks for germinating weed seeds or planting cannabis plants into a larger pot.
  • Outdoor planting takes much longer and might be better with more than one person: two people can work together on digging planting holes and moving the plant in (one person supports while another move) and planting weed seeds.
  • Planting cannabis plants in the ground can take up to two months for optimum growth, depending on how often you water and fertilize the plant’s soil; however, if planting indoors takes longer than that time frame then they might need lighter or a different type of potting mix to grow properly.

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