Common Mistakes to Avoid When Growing Marijuana

Posted on 9 March 2023
By Carlton Whitfield
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Growing marijuana can be an incredibly rewarding experience. It’s a great way to produce your own supply of the highest quality cannabis, and it can also save you money in the long run.

But growing marijuana isn’t always easy, and there are many common mistakes that novice growers make.

From not providing enough light or nutrients to using incorrect pH levels or not cleaning your grow room properly, these mistakes can lead to poor yields and unhealthy plants.

To help ensure a successful harvest, here are some of the most common mistakes to avoid when growing marijuana.

1. Not Doing Proper Research
Before you start growing marijuana, it’s important to do your research.

Not all strains are created equal, and understanding the different characteristics of each strain can help you choose the best option for your needs.

Learning about the different grow methods and techniques can also help you get the most out of your plants.

2. Not Setting Up a Suitable Growing Environment

Creating a suitable growing environment is essential for healthy plants.

Temperature and humidity must be regulated, and your room should be well-ventilated.

You should also have the right lighting setup and soil mix to ensure optimal growth.

3. Not Testing the Soil pH Level
Achieving the ideal pH level in your soil is essential for healthy plants, and it’s important to test your soil before planting.

If the pH level is too low or too high, it can prevent the plant from absorbing essential nutrients.

4. Not Cleaning Your Grow Room Regularly
Keeping your grow room clean is one of the most important steps in achieving a successful harvest.

Mold, mildew, and pests can ruin your crop when not tamed or cleaned and can overtake your plants.

Definitely make sure to clean the area regularly so you’re able to spot problems early and course correct them before it is too late.

5. Not Providing Adequate Light and Nutrients
Light is one of the most important components of healthy marijuana plants.

Without adequate light, your plants won’t be able to photosynthesize properly and will end up with poor yields.

Make sure to provide your plants with enough light and nutrients to ensure they get the energy they need.

6. Overwatering or Underwatering Your Plants
Proper watering is an essential part of growing healthy marijuana plants.

Too much or too little water can have a detrimental effect on the plants, resulting in poor yields and stunted growth.

When overwatered, the roots can become waterlogged, depriving them of oxygen and preventing them from absorbing essential nutrients.

Underwatering can cause the plant to dry out, leading to wilting and poor growth.

7. Using Poor Quality Soil or Nutrients
Using the wrong type of soil or nutrients can be disastrous for your plants.

Poor quality soil won’t contain the necessary nutrients for healthy growth, and using poor quality fertilizers can cause nutrient burn, stunting growth and leading to a poor harvest.

8. Pruning at the Wrong Time
Pruning your plants is an important part of keeping them healthy, but timing is key.

Pruning at the wrong time can cause unnecessary stress to the plant and can even lead to damage or death.

Make sure to prune when needed and only remove the fan leaves that are blocking light from reaching lower branches.

Keep in mind that excessive pruning can also lead to poor yields.

9. Neglecting Pest Control Measures
Pests can be a major problem for marijuana plants, so it’s important to take steps to prevent them from attacking your crop.

Regularly inspecting the plants and using natural pest control methods like neem oil or diatomaceous earth can help keep pests away.

If you do find an infestation, act quickly to get rid of the pests before they spread and cause more damage.

10. Harvesting Too Early or Late
Knowing when to harvest your plants is essential for a successful crop.

Too early or too late can cause problems in terms of potency and flavour, as well as yield.

Start inspecting your plants a few weeks before you plan to harvest, and use a magnifying glass to look for signs that it’s time to start harvesting.

11. Not Curing Your Buds Properly
Curing your buds is the last step in achieving a successful harvest, and it’s important to do it right.

Improper curing can lead to harsh, unpleasant smoke that won’t give you the desired effects. Make sure to take your time and properly cure your buds for the best results.


By avoiding these common mistakes, you can ensure a successful harvest of high-quality marijuana plants.

With proper care and attention, your crop will be healthy and full of potent buds that can be enjoyed for months to come.
Happy growing!