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Top 10 Tips for Growing Cannabis in Cold Climates

Many people freak out when it comes to cold climates and growing weed, when in actuality, farming cannabis in cooler temps has a few huge advantages. Below we’ll share our 10 tips for growing marijuana in cooler conditions and demystify the stigmas that come with this type of farming. Cold does not have to equal misery!

If you’re not fortunate enough to live in areas naturally conducive for an incredible outdoor growing operation, don’t get discouraged. Battling the elements is not only possible but has some surprising benefits, if done right.

Growing weed in cold climates doesn’t force you to compromise on quality either. In fact, there are several high-quality strains specifically bred to grow in cold weather. There a plenty of growers producing excellent crops despite living in cold weather areas.

If you live in a place where you experience the best and worst of all four seasons, the only thing to stop you from growing is your willingness to get a little creative.

You’ll also need to decide whether to grow indoors or outdoors, let’s dive into that first.

Indoor Growing in Cold Climates

Growing cannabis indoors seems like the logical plan if you live in an area with colder climates. Battling with the elements — below freezing temperatures, frost, torrential downpours and violent winds — become a minimal concern. But there can be some disadvantages to taking your growing operation indoors.

You may have space limitations. If you’re not fortunate enough to have a basement or empty storage room, you’ll need to put some serious thought into what space can be used most efficiently. The good news is that it is possible to generate decent yields even if you have to grow weed in a small space.

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Consider the number of exterior walls when deciding which room to convert to a grow space. It’s important to pay attention to how cold the room gets at night when the temperature can dramatically drop. If your area tends to have significant drops, extra insulation may be required.

That’s another factor to include in your cost analysis. An indoor operation will require additional supplies and equipment which means additional expense for the start-up process.

Sometimes it’s better to have a few limitations and be able to control your growing environment, than to experience a total crop loss due to some unpredictable weather.

How to preserve cannabis through the winter

Studies point to ultra violet (UV) light as the number one destroyer of cannabis potency.

According to Medical Marijuana, Inc., “While direct sunlight is the most degrading to marijuana flower, even indirect light can cause a loss of potency.” With even indirect light affecting weed longevity, it is advisable to take some time to buy the perfect container.

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Per Healthline, “Light, humidity, temperature and oxygen can all mess with cannabis and affect its aroma, taste and potency potential.”

Cannabis longevity starts in the curing process, which MedMen describes as “the process where fresh cannabis is properly dried to optimize potency, terpenes.” When weed is cured optimally, it can maintain its potency and integrity for as long as a year.

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Grow Room Temperature Control – What Happens if it is too Cold?

Much like humans, cannabis plants need certain temperatures to thrive during their growth. In an indoor set-up, you need to pay particular attention to the general temperature of the grow room. Serious issues can arise if your cannabis feels too hot or too cold.

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Here, we go through the problems that can occur if your grow room is too cold. If you are seeing your plants behave in the ways explained below, it may be time to turn that thermostat up.

Cold Grow Room?

Firstly, we will explain what can happen to your plants if your grow room is too cold. We will then discuss how you can counteract these issues.

A cold grow room will likely slow down the growth of your plant. As a general rule, temperatures lower than 55-60F (10-15C) will slow down and eventual kill your plants. Indoor plants are far more susceptible to cold temperatures than hardier outdoor plants.

Cold temperatures in your grow room cab often lead to damp areas. In turn, this brings unwanted mould, which can have a significantly damaging effect on your plants. These low temperatures can also lead to over-purpling of the leaves.

Realistically, a temperature too hot or too cold for your plants can cause of plethora of issues including a change in the taste, smell, colour and density of your grow.

The Ideal Temperature for your Grow Room

During the vegetative stage of your plants growth, temperatures will need to be a little warmer than in the flowering stage. This is a key part of the cultivation process for your plants, so they need that little bit of extra heat to ensure success. A temperature of around 70-85F (20-30c) will suffice.

When it is time for the flowering stage, you can slightly reduce the temperature of your grow room to 70-80F (20-26c). Always remember that there should be around a 10 degree difference between night and day temps if you want to achieve the best results.

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Essentially, it is all about reacting to a temperature that you believe doesn’t feel right. If you feel too cold in your grow room, your plants will likely feel too cold as well.