Growing Cannabis Seeds: 12 Common Mistakes

Overall, cannabis is generally a simple plant to grow, but this doesn’t mean that mistakes won’t happen along the way.  As a matter of fact, even experienced growers get things wrong on occasion.  So, by learning about frequent growing mistakes and how to avoid them, you can become excited to see a plethora of amazingly-sized buds, just waiting for you at time of harvesting. 

Keep in mind, too, that although heat, pH, overwatering, and soil are crucial, lighting also matters, since cannabis plants depend on light to create energy and thrive.

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A Brief Refresher on Cannabis Seeds

Before we get into the most common mistakes for growing cannabis seeds, we gotta let our newbie readers know what they are.  Simply put, cannabis seeds refer to the seeds of the cannabis plant, which can be used to grow one’s own cannabis plants at home.  

Here are some quick key points about cannabis seeds:

1. Genetics and Types: Cannabis seeds come in various genetic strains, each contributing to different characteristics such as plant size, shape, flavor, and the type and strength of the effects. The main types include regular (can grow into either male or female plants), feminized (are bred to grow as female cannabis plants, which are the ones that produce buds), and autoflowering seeds (are bred to flower based on age rather than changes in the light cycle, making them easier to grow under a variety of conditions).
2. Uses: Besides cultivation, cannabis seeds are also used in health foods and nutritional supplements.  They are a rich source of protein, fiber, and various minerals, and do not contain cannabinoids like THC or CBD unless they’ve been contaminated during handling.
3. Legal Status: The legality of possessing, selling, or growing cannabis seeds varies widely by country and state, often in line with the laws governing cannabis use.
4. Germination and Growth: To grow cannabis plants from seeds, they must first be germinated—a process that involves soaking and then planting them under conditions that encourage sprouting.  After germination, the seedlings need appropriate light, soil, and nutrients to grow into mature cannabis plants.

Cannabis seeds are an important aspect of the cannabis industry, providing the basis for home growing and commercial cultivation alike.

Most Common Mistakes That Can Be Avoided When Growing Cannabis Seeds

Growing cannabis from seeds can be a rewarding experience, but it comes with several challenges.  Below are the most common mistakes that can occur when growing cannabis from seeds, along with detailed explanations:

1. Improper Seed Storage: Cannabis seeds should be stored in a cool, dark, and dry place.  If seeds are exposed to excessive humidity, high temperatures, or light, their viability can decrease significantly, leading to poor germination rates.
2. Overwatering: Cannabis roots need oxygen, and overwatering can lead to root rot and poor plant growth.  Signs include drooping leaves, yellowing, and a swampy smell.  To avoid this, ensure proper drainage and allow the soil to dry out between waterings.
3. Underwatering: On the flip side, underwatering can cause stunted growth and crispy, dry leaves.  This often happens when growers are too cautious about overwatering.  Keep a consistent watering schedule and check soil moisture regularly.
4. Improper Germination: Germination is a delicate process.  Common mistakes include using water that’s too hot or too cold, planting seeds too deep, or exposing them to too much light.  Ensure seeds are kept warm, moist, and in a dark environment during germination.
5. Inadequate Lighting: Cannabis plants require a specific light spectrum and intensity for optimal growth. Insufficient light can lead to stretching and weak plants.  Ensure you have adequate grow lights and adjust them as the plants grow to maintain the correct distance.
6. Poor Soil Quality: Using soil that lacks nutrients or is too dense can stunt plant growth.  Cannabis needs a well-draining, nutrient-rich soil.  Avoid using garden soil or heavy clay; opt for a high-quality potting mix with perlite for aeration.
   • Incorrect Soil pH: Cannabis prefers a slightly acidic to neutral pH (between 6.0 and 7.0).  Using soil that’s too acidic or too alkaline can hinder nutrient uptake and lead to nutrient deficiencies, affecting plant health and development.
   • Using a Poor-Quality Soil Mix: Starting seeds in a soil mix that lacks proper drainage or aeration can lead to poor root development and plant health.  It’s important to use a light, well-aerated soil mix that allows for easy root growth and adequate water retention.
7. Nutrient Imbalances: Cannabis requires a balance of nitrogen, phosphorus, and potassium (NPK), along with other micronutrients.  Over-fertilization can burn plants, while under-fertilization can cause deficiencies. Use cannabis-specific nutrients and follow a feeding schedule.
8. Inconsistent Environment: Temperature and humidity fluctuations can stress cannabis plants, leading to slower growth or hermaphroditism. Aim for consistent temperature (around 70°F -85°F or 21°C -29°C) and humidity (40%-60% during vegetative, 40%-50% during flowering).
9. Pest Infestations: Pests like spider mites, aphids, and fungus gnats can damage cannabis plants.  Common signs include chewed leaves, webbing, or tiny flying insects.  Regularly inspect plants, maintain a clean growing area, and consider natural pest control methods like beneficial insects.
10. Improper Pruning and Training: While pruning can improve yields, excessive or incorrect pruning can stress plants.  Common errors include cutting too much foliage or using unsterilized tools.  Learn proper pruning techniques and consider low-stress training (LST) to guide plant growth.
11. Inadequate Ventilation: Good airflow is essential to prevent mold and promote strong growth.  Lack of ventilation can lead to stagnant air, humidity buildup, and weak stems.  Use fans to create airflow, and even ensure there’s a way for fresh air to enter the grow area.
12. Planting Seeds Too Deeply: Cannabis seeds should be planted at the right depth—about twice the diameter of the seed.  Planting seeds too deeply can make it difficult for the seedling to break through the soil surface, while planting them too shallowly can expose them to light and air, drying them out.

Grow the Finest Cannabis Possible – Pretty Much Mistake-Free!

A lot of us would like to have a green thumb when it comes to growing plants, especially cannabis. So, again, by being aware of these common mistakes we covered here today, you can take the proper steps and measures to potentially avoid them and improve your chances of successfully growing healthy cannabis plants from seeds while also creating better yields in the process.  Also, for the highest quality seeds around, check out STRNG Seeds today.

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