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Marijuana Plants: What is needed to grow?

Growing Cannabis at home with Weed Seeds USA

by Neal Brown . Updated: October 7, 2021

What Do Cannabis Plants Need?

So, you’ve finally decided to experiment with cannabis cultivation. That’s a great decision! While most new growers are excited to start, it’s easy to become overwhelmed with information. Don’t worry, though—in the end, it’s not much harder to grow marijuana than it is to grow any other kind of plant.
Growing marijuana, whether you’re doing it inside or outside, isn’t difficult, but there are a few things you’ll need to learn to ensure a successful harvest. Once you’ve mastered the basics, you’ll learn how to quickly tell what the plants need and how to give it to them. In this comprehensive guide, we’ll cover cannabis plants’ basic needs and show you how to care for them throughout their lives.

What Does a Cannabis Plant Need?

To grow a healthy and abundant crop, certain requirements must be met. Here’s what a marijuana plant needs to thrive.

  • The right location. As a grower this will be one of your most important decisions. Will you grow inside, outside, or in a greenhouse? Indoor growers can manipulate the lighting schedule and other conditions, and in some cases, they can enjoy harvests twice per year. However, indoor cultivation requires expensive equipment and increased energy consumption.
  • A stable outdoor environment. Outdoor cannabis cultivation is dependent on the elements, which is an advantage for those living in warm climates. Aside from regular nourishment and watering, it’s all in Nature’s hands. Crops can be affected by pests and poor weather conditions, and that’s the only major downside to outdoor growing. Using a greenhouse offers the best of both worlds; it protects the crops but still utilizes outdoor temperatures and lighting cycles.
  • A good growth medium. Selecting a growing medium is another important step. If you’re growing in soil, choose a high-quality product with good drainage and high nutrient content. However, if you decide to go soilless, remember that pH levels aren’t as forgiving, and your results will be dependent on the nutrients the plants receive.
  • A stable temperature. Cannabis plants are adaptable and resilient, but they should do more than survive—they should thrive. If the plants are exposed to high or low temperatures, their growth may be stunted, and their chemical structure can be affected. The best temperature range for cannabis plants is 75 to 86°F; anything above or below that may affect cannabinoid levels.
  • Lighting at specific times. Lighting is crucial to the healthy growth of cannabis plants. Whether you’re using direct sunlight or indoor grow lights, these plants need light and darkness at specific times that depend on their growth phase.

Now that we’ve discussed cannabis plants’ basic needs, let’s get into a bit more detail about requirements for outdoor and indoor crops.

Giving Outdoor Plants Enough Light

When growing marijuana outdoors, lighting schedules are set by Nature. To maximize natural light, position the plants (if they’re potted). For optimal growth outdoors, plants need at least eight hours of sunlight, ideally between the hours of 10 am to 4 pm. As seasons change, the plants will get less light until they enter the flowering phase.

Lighting for Indoor Plants

With an indoor cannabis crop, you’ll have to be more diligent. During germination and vegetation, ensure that the plants get 16 to 24 hours of light and zero to eight hours of light per day. As the flowering phase approaches, you’ll need to gradually decrease the time the plants spend under the lights.

When your plants have started to flower, they’ll need about 12 hours of light and 12 hours of darkness. However, precise timing may vary by strain—some indica-dominant strains need roughly eight hours of darkness during flowering, while a few sativas need more than 12 hours.

What do marijuana plants need?

What do cannabis plants need?

Growing cannabis at home basics